./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-84cfde4 [2024-10-11 15:54:01,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:54:01,834 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:54:01,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:54:01,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:54:01,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:54:01,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:54:01,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:54:01,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:54:01,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:54:01,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:54:01,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:54:01,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:54:01,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:54:01,877 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:54:01,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:54:01,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:54:01,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:54:01,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:54:01,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:54:01,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:54:01,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:54:01,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:54:01,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:54:01,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:54:01,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:54:01,883 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:54:01,884 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:54:01,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:54:01,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:01,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:54:01,885 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:54:01,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:54:01,885 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:54:01,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:54:01,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:54:01,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:54:01,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:54:01,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:54:01,890 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2024-10-11 15:54:02,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:54:02,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:54:02,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:54:02,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:54:02,180 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:54:02,182 INFO L431 ainManager$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 [2024-10-11 15:54:03,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:54:04,144 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:54:04,145 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 [2024-10-11 15:54:04,194 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ca7ca5fd5/f6f7c67d36e04860918c42d41fef6c31/FLAGd5add5b4d [2024-10-11 15:54:04,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ca7ca5fd5/f6f7c67d36e04860918c42d41fef6c31 [2024-10-11 15:54:04,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:54:04,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:54:04,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:04,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:54:04,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:54:04,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:04" (1/1) ... [2024-10-11 15:54:04,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fdb29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:04, skipping insertion in model container [2024-10-11 15:54:04,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:04" (1/1) ... [2024-10-11 15:54:04,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:54:07,210 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] [2024-10-11 15:54:07,214 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] [2024-10-11 15:54:07,214 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] [2024-10-11 15:54:07,215 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] [2024-10-11 15:54:07,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:07,278 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:54:07,401 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] [2024-10-11 15:54:07,404 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] [2024-10-11 15:54:07,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-10-11 15:54:07,409 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] [2024-10-11 15:54:07,410 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] [2024-10-11 15:54:07,410 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] [2024-10-11 15:54:07,411 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] [2024-10-11 15:54:07,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-10-11 15:54:07,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-10-11 15:54:07,422 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] [2024-10-11 15:54:07,425 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] [2024-10-11 15:54:07,428 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] [2024-10-11 15:54:07,429 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] [2024-10-11 15:54:07,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-10-11 15:54:07,450 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] [2024-10-11 15:54:07,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-10-11 15:54:07,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-10-11 15:54:07,507 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-10-11 15:54:07,649 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] [2024-10-11 15:54:07,650 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] [2024-10-11 15:54:07,651 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] [2024-10-11 15:54:07,651 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] [2024-10-11 15:54:07,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:07,840 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:54:07,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07 WrapperNode [2024-10-11 15:54:07,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:07,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:07,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:54:07,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:54:07,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:07,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:08,167 INFO L138 Inliner]: procedures = 459, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5153 [2024-10-11 15:54:08,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:08,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:54:08,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:54:08,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:54:08,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:08,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:08,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,085 INFO L175 MemorySlicer]: Split 784 memory accesses to 18 slices as follows [8, 26, 2, 6, 5, 5, 5, 3, 8, 8, 1, 2, 2, 52, 1, 3, 2, 645]. 82 percent of accesses are in the largest equivalence class. The 252 initializations are split as follows [8, 26, 0, 0, 5, 5, 5, 3, 8, 8, 1, 0, 2, 40, 0, 1, 0, 140]. The 144 writes are split as follows [0, 0, 1, 5, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 136]. [2024-10-11 15:54:09,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:54:09,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:54:09,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:54:09,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:54:09,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (1/1) ... [2024-10-11 15:54:09,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:09,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:54:09,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:54:09,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:54:09,433 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-11 15:54:09,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-11 15:54:09,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:54:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:54:09,435 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-11 15:54:09,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 15:54:09,436 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 15:54:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 15:54:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:54:09,438 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-11 15:54:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-11 15:54:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:54:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:54:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-11 15:54:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-11 15:54:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-11 15:54:09,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-11 15:54:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:54:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:54:09,441 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-11 15:54:09,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-11 15:54:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 15:54:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 15:54:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-11 15:54:09,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-11 15:54:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:54:09,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:54:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:54:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:54:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:54:09,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:54:09,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 15:54:09,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 15:54:09,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 15:54:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 15:54:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 15:54:09,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 15:54:09,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-11 15:54:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-11 15:54:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:54:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:54:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-11 15:54:09,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-11 15:54:09,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-11 15:54:09,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-11 15:54:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:54:09,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-11 15:54:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-11 15:54:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-11 15:54:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-11 15:54:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-10-11 15:54:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-10-11 15:54:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:54:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:54:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:54:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-11 15:54:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-11 15:54:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-11 15:54:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-11 15:54:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:54:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:54:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-11 15:54:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-11 15:54:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-11 15:54:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-11 15:54:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-11 15:54:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-11 15:54:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-11 15:54:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-11 15:54:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-11 15:54:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-11 15:54:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 15:54:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 15:54:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 15:54:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 15:54:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-11 15:54:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-11 15:54:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:54:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:54:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:54:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:54:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-11 15:54:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-11 15:54:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-11 15:54:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-11 15:54:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-10-11 15:54:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-10-11 15:54:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:54:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:54:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 15:54:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 15:54:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-11 15:54:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-11 15:54:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-11 15:54:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-11 15:54:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-11 15:54:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-11 15:54:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 15:54:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 15:54:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-11 15:54:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-11 15:54:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-11 15:54:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-11 15:54:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-11 15:54:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-11 15:54:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-11 15:54:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-11 15:54:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:54:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-11 15:54:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:54:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:54:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-11 15:54:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-11 15:54:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-11 15:54:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-11 15:54:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-10-11 15:54:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:54:09,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:54:09,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:54:09,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:54:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:54:09,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:54:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:54:09,471 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:54:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:54:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:54:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-11 15:54:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-11 15:54:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-11 15:54:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-11 15:54:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 15:54:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 15:54:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-11 15:54:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-11 15:54:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-11 15:54:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-11 15:54:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-11 15:54:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-11 15:54:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:54:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:54:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-11 15:54:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-11 15:54:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-11 15:54:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-11 15:54:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:54:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-10-11 15:54:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 15:54:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 15:54:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 15:54:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 15:54:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-11 15:54:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-11 15:54:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-11 15:54:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-11 15:54:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-11 15:54:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-11 15:54:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-11 15:54:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:54:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:54:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:54:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:54:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-11 15:54:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-11 15:54:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 15:54:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 15:54:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-11 15:54:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-11 15:54:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-11 15:54:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-11 15:54:10,349 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:54:10,353 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:54:10,614 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:54:13,764 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-11 15:54:14,860 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-10-11 15:54:14,861 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:54:15,325 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:54:15,326 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:54:15,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:54:15 BoogieIcfgContainer [2024-10-11 15:54:15,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:54:15,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:54:15,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:54:15,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:54:15,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:54:04" (1/3) ... [2024-10-11 15:54:15,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afa64e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:54:15, skipping insertion in model container [2024-10-11 15:54:15,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:07" (2/3) ... [2024-10-11 15:54:15,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1afa64e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:54:15, skipping insertion in model container [2024-10-11 15:54:15,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:54:15" (3/3) ... [2024-10-11 15:54:15,339 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-10-11 15:54:15,360 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:54:15,361 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 15:54:15,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:54:15,519 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;@1818f26c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:54:15,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 15:54:15,539 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) [2024-10-11 15:54:15,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 15:54:15,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:15,554 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] [2024-10-11 15:54:15,555 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)] === [2024-10-11 15:54:15,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash 304655172, now seen corresponding path program 1 times [2024-10-11 15:54:15,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:15,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238489703] [2024-10-11 15:54:15,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:15,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 15:54:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:54:16,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:16,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238489703] [2024-10-11 15:54:16,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238489703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:16,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:16,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:16,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393597184] [2024-10-11 15:54:16,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:16,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:16,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:16,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:16,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:16,560 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) [2024-10-11 15:54:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:23,263 INFO L93 Difference]: Finished difference Result 6003 states and 9002 transitions. [2024-10-11 15:54:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:23,266 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 [2024-10-11 15:54:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:23,314 INFO L225 Difference]: With dead ends: 6003 [2024-10-11 15:54:23,314 INFO L226 Difference]: Without dead ends: 4019 [2024-10-11 15:54:23,333 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 [2024-10-11 15:54:23,338 INFO L432 NwaCegarLoop]: 1796 mSDtfsCounter, 3655 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 6.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:23,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 4343 Invalid, 4343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1470 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-11 15:54:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2024-10-11 15:54:23,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 3885. [2024-10-11 15:54:23,701 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) [2024-10-11 15:54:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5565 transitions. [2024-10-11 15:54:23,747 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5565 transitions. Word has length 87 [2024-10-11 15:54:23,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:23,749 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 5565 transitions. [2024-10-11 15:54:23,750 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) [2024-10-11 15:54:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5565 transitions. [2024-10-11 15:54:23,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 15:54:23,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:23,762 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] [2024-10-11 15:54:23,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:54:23,764 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)] === [2024-10-11 15:54:23,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:23,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1831173826, now seen corresponding path program 1 times [2024-10-11 15:54:23,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:23,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823105381] [2024-10-11 15:54:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:23,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:54:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:54:24,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:24,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823105381] [2024-10-11 15:54:24,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823105381] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:24,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:24,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:24,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834784638] [2024-10-11 15:54:24,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:24,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:24,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:24,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:24,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:24,173 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) [2024-10-11 15:54:30,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:30,012 INFO L93 Difference]: Finished difference Result 8889 states and 12781 transitions. [2024-10-11 15:54:30,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:30,013 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 [2024-10-11 15:54:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:30,057 INFO L225 Difference]: With dead ends: 8889 [2024-10-11 15:54:30,058 INFO L226 Difference]: Without dead ends: 5019 [2024-10-11 15:54:30,081 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 [2024-10-11 15:54:30,082 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 2874 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 4285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:30,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 4293 Invalid, 4285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1242 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-11 15:54:30,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2024-10-11 15:54:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 4817. [2024-10-11 15:54:30,298 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) [2024-10-11 15:54:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6878 transitions. [2024-10-11 15:54:30,332 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6878 transitions. Word has length 99 [2024-10-11 15:54:30,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:30,333 INFO L471 AbstractCegarLoop]: Abstraction has 4817 states and 6878 transitions. [2024-10-11 15:54:30,333 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) [2024-10-11 15:54:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6878 transitions. [2024-10-11 15:54:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 15:54:30,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:30,339 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] [2024-10-11 15:54:30,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:54:30,339 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)] === [2024-10-11 15:54:30,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash 593381821, now seen corresponding path program 1 times [2024-10-11 15:54:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:30,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817229116] [2024-10-11 15:54:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:54:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:54:30,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:30,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817229116] [2024-10-11 15:54:30,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817229116] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:30,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:30,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:30,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055169235] [2024-10-11 15:54:30,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:30,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:30,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:30,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:30,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:30,704 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) [2024-10-11 15:54:35,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:35,530 INFO L93 Difference]: Finished difference Result 11938 states and 17044 transitions. [2024-10-11 15:54:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:35,531 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 [2024-10-11 15:54:35,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:35,585 INFO L225 Difference]: With dead ends: 11938 [2024-10-11 15:54:35,586 INFO L226 Difference]: Without dead ends: 7136 [2024-10-11 15:54:35,614 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 [2024-10-11 15:54:35,617 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 3228 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:35,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3663 Valid, 4320 Invalid, 4317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-10-11 15:54:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7136 states. [2024-10-11 15:54:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 6865. [2024-10-11 15:54:35,976 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) [2024-10-11 15:54:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9736 transitions. [2024-10-11 15:54:36,014 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9736 transitions. Word has length 98 [2024-10-11 15:54:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:36,015 INFO L471 AbstractCegarLoop]: Abstraction has 6865 states and 9736 transitions. [2024-10-11 15:54:36,015 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) [2024-10-11 15:54:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9736 transitions. [2024-10-11 15:54:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 15:54:36,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:36,017 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] [2024-10-11 15:54:36,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:54:36,018 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)] === [2024-10-11 15:54:36,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:36,018 INFO L85 PathProgramCache]: Analyzing trace with hash -982558588, now seen corresponding path program 1 times [2024-10-11 15:54:36,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:36,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792090480] [2024-10-11 15:54:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:36,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:54:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:54:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:54:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-11 15:54:36,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:36,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792090480] [2024-10-11 15:54:36,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792090480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:36,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:36,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:36,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830624010] [2024-10-11 15:54:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:36,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:36,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:36,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:36,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:36,380 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) [2024-10-11 15:54:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:40,753 INFO L93 Difference]: Finished difference Result 19301 states and 27459 transitions. [2024-10-11 15:54:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:40,754 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 [2024-10-11 15:54:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:40,848 INFO L225 Difference]: With dead ends: 19301 [2024-10-11 15:54:40,849 INFO L226 Difference]: Without dead ends: 12451 [2024-10-11 15:54:40,882 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 [2024-10-11 15:54:40,883 INFO L432 NwaCegarLoop]: 1800 mSDtfsCounter, 3386 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 2765 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:40,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 4362 Invalid, 4237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 2765 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 15:54:40,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2024-10-11 15:54:41,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 11944. [2024-10-11 15:54:41,553 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) [2024-10-11 15:54:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11944 states to 11944 states and 16918 transitions. [2024-10-11 15:54:41,626 INFO L78 Accepts]: Start accepts. Automaton has 11944 states and 16918 transitions. Word has length 102 [2024-10-11 15:54:41,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:41,627 INFO L471 AbstractCegarLoop]: Abstraction has 11944 states and 16918 transitions. [2024-10-11 15:54:41,628 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) [2024-10-11 15:54:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 11944 states and 16918 transitions. [2024-10-11 15:54:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-11 15:54:41,629 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:41,630 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] [2024-10-11 15:54:41,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:54:41,630 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)] === [2024-10-11 15:54:41,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:41,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1327164006, now seen corresponding path program 1 times [2024-10-11 15:54:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:41,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897785958] [2024-10-11 15:54:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:41,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:54:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:54:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:54:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 15:54:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-11 15:54:41,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:41,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897785958] [2024-10-11 15:54:41,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897785958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:41,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:41,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:41,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904372368] [2024-10-11 15:54:41,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:41,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:41,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:41,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:41,978 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) [2024-10-11 15:54:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:46,605 INFO L93 Difference]: Finished difference Result 33184 states and 46997 transitions. [2024-10-11 15:54:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:46,605 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 [2024-10-11 15:54:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:46,726 INFO L225 Difference]: With dead ends: 33184 [2024-10-11 15:54:46,726 INFO L226 Difference]: Without dead ends: 21255 [2024-10-11 15:54:46,775 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 [2024-10-11 15:54:46,776 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, 0.0s SdHoareTripleChecker+Time, 1342 IncrementalHoareTripleChecker+Valid, 3149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:46,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 5214 Invalid, 4491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1342 Valid, 3149 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 15:54:46,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21255 states. [2024-10-11 15:54:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21255 to 20424. [2024-10-11 15:54:47,641 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) [2024-10-11 15:54:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20424 states to 20424 states and 28727 transitions. [2024-10-11 15:54:47,748 INFO L78 Accepts]: Start accepts. Automaton has 20424 states and 28727 transitions. Word has length 104 [2024-10-11 15:54:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:47,750 INFO L471 AbstractCegarLoop]: Abstraction has 20424 states and 28727 transitions. [2024-10-11 15:54:47,750 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) [2024-10-11 15:54:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 20424 states and 28727 transitions. [2024-10-11 15:54:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 15:54:47,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:47,752 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] [2024-10-11 15:54:47,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:54:47,752 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)] === [2024-10-11 15:54:47,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1317046600, now seen corresponding path program 1 times [2024-10-11 15:54:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:47,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640752960] [2024-10-11 15:54:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:54:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:54:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:54:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:47,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:54:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:54:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:54:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:54:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 15:54:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-10-11 15:54:48,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:48,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640752960] [2024-10-11 15:54:48,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640752960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:48,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:48,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:54:48,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10672217] [2024-10-11 15:54:48,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:48,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:54:48,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:48,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:54:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:54:48,041 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) [2024-10-11 15:54:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:54:53,371 INFO L93 Difference]: Finished difference Result 62165 states and 87829 transitions. [2024-10-11 15:54:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:54:53,372 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 [2024-10-11 15:54:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:54:53,589 INFO L225 Difference]: With dead ends: 62165 [2024-10-11 15:54:53,589 INFO L226 Difference]: Without dead ends: 41797 [2024-10-11 15:54:53,680 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 [2024-10-11 15:54:53,682 INFO L432 NwaCegarLoop]: 1832 mSDtfsCounter, 3625 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 2901 mSolverCounterSat, 1484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:54:53,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 4424 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1484 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 15:54:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41797 states. [2024-10-11 15:54:55,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41797 to 40181. [2024-10-11 15:54:55,423 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) [2024-10-11 15:54:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40181 states to 40181 states and 56541 transitions. [2024-10-11 15:54:55,641 INFO L78 Accepts]: Start accepts. Automaton has 40181 states and 56541 transitions. Word has length 130 [2024-10-11 15:54:55,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:54:55,646 INFO L471 AbstractCegarLoop]: Abstraction has 40181 states and 56541 transitions. [2024-10-11 15:54:55,646 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) [2024-10-11 15:54:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40181 states and 56541 transitions. [2024-10-11 15:54:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-11 15:54:55,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:54:55,652 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] [2024-10-11 15:54:55,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:54:55,652 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)] === [2024-10-11 15:54:55,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:54:55,653 INFO L85 PathProgramCache]: Analyzing trace with hash 983775990, now seen corresponding path program 1 times [2024-10-11 15:54:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:54:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713028138] [2024-10-11 15:54:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:54:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:54:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:55,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:55,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:54:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:54:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:54:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:54:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:54:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:54:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:54:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:54:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:54:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:54:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:54:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:54:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:54:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:54:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:54:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 15:54:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:54:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-11 15:54:56,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:54:56,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713028138] [2024-10-11 15:54:56,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713028138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:54:56,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:54:56,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:54:56,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691823924] [2024-10-11 15:54:56,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:54:56,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:54:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:54:56,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:54:56,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:54:56,225 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) [2024-10-11 15:55:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:01,390 INFO L93 Difference]: Finished difference Result 41779 states and 59125 transitions. [2024-10-11 15:55:01,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:55:01,390 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 [2024-10-11 15:55:01,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:01,706 INFO L225 Difference]: With dead ends: 41779 [2024-10-11 15:55:01,706 INFO L226 Difference]: Without dead ends: 41777 [2024-10-11 15:55:01,730 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 [2024-10-11 15:55:01,731 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 [2024-10-11 15:55:01,731 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] [2024-10-11 15:55:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41777 states. [2024-10-11 15:55:03,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41777 to 40185. [2024-10-11 15:55:03,885 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) [2024-10-11 15:55:04,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40185 states to 40185 states and 56544 transitions. [2024-10-11 15:55:04,109 INFO L78 Accepts]: Start accepts. Automaton has 40185 states and 56544 transitions. Word has length 130 [2024-10-11 15:55:04,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:04,110 INFO L471 AbstractCegarLoop]: Abstraction has 40185 states and 56544 transitions. [2024-10-11 15:55:04,110 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) [2024-10-11 15:55:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 40185 states and 56544 transitions. [2024-10-11 15:55:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-11 15:55:04,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:04,112 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] [2024-10-11 15:55:04,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:55:04,112 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)] === [2024-10-11 15:55:04,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1739756014, now seen corresponding path program 1 times [2024-10-11 15:55:04,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:04,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88384871] [2024-10-11 15:55:04,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:04,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:55:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:55:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:55:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:55:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:55:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 15:55:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 15:55:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-11 15:55:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88384871] [2024-10-11 15:55:04,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88384871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:04,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:04,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:55:04,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207458570] [2024-10-11 15:55:04,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:04,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:55:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:04,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:55:04,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:04,811 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) [2024-10-11 15:55:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:10,185 INFO L93 Difference]: Finished difference Result 41783 states and 59128 transitions. [2024-10-11 15:55:10,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:55:10,186 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 [2024-10-11 15:55:10,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:10,376 INFO L225 Difference]: With dead ends: 41783 [2024-10-11 15:55:10,377 INFO L226 Difference]: Without dead ends: 41781 [2024-10-11 15:55:10,396 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 [2024-10-11 15:55:10,398 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 2843 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4191 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:10,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 5830 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1148 Valid, 4191 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 15:55:10,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41781 states.