./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 15:53:36,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:53:36,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:53:36,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:53:36,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:53:36,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:53:36,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:53:36,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:53:36,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:53:36,881 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:53:36,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:53:36,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:53:36,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:53:36,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:53:36,884 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:53:36,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:53:36,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:53:36,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:53:36,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:53:36,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:53:36,888 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:53:36,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:53:36,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:53:36,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:53:36,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:53:36,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:53:36,894 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:53:36,894 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:53:36,894 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:53:36,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:53:36,895 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:53:36,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:53:36,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:53:36,895 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:53:36,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:53:36,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:53:36,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:53:36,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:53:36,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:53:36,896 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8ab8b9c7011aec39f84a1ecf826f202398208cb106ea4649e1adfd1ea4d4076 [2024-10-14 15:53:37,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:53:37,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:53:37,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:53:37,187 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:53:37,188 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:53:37,189 INFO L431 ainManager$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 [2024-10-14 15:53:38,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:53:39,256 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:53:39,258 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 [2024-10-14 15:53:39,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbe90603/fb7f85eb83da4f0d9d111ed3fb3f68b1/FLAG58977d4b0 [2024-10-14 15:53:39,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbe90603/fb7f85eb83da4f0d9d111ed3fb3f68b1 [2024-10-14 15:53:39,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:53:39,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:53:39,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:53:39,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:53:39,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:53:39,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:53:39" (1/1) ... [2024-10-14 15:53:39,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc36d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:39, skipping insertion in model container [2024-10-14 15:53:39,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:53:39" (1/1) ... [2024-10-14 15:53:39,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:53:42,696 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] [2024-10-14 15:53:42,701 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] [2024-10-14 15:53:42,703 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] [2024-10-14 15:53:42,704 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] [2024-10-14 15:53:42,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:53:42,780 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:53:42,885 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] [2024-10-14 15:53:42,888 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] [2024-10-14 15:53:42,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5273] [2024-10-14 15:53:42,890 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] [2024-10-14 15:53:42,891 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] [2024-10-14 15:53:42,891 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] [2024-10-14 15:53:42,891 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] [2024-10-14 15:53:42,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5513] [2024-10-14 15:53:42,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5520] [2024-10-14 15:53:42,901 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] [2024-10-14 15:53:42,903 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] [2024-10-14 15:53:42,904 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] [2024-10-14 15:53:42,905 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] [2024-10-14 15:53:42,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6297] [2024-10-14 15:53:42,925 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] [2024-10-14 15:53:43,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6765] [2024-10-14 15:53:43,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6925] [2024-10-14 15:53:43,050 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)dev->rx_info.next_rx_desc) [7447] [2024-10-14 15:53:43,140 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] [2024-10-14 15:53:43,141 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] [2024-10-14 15:53:43,141 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] [2024-10-14 15:53:43,142 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] [2024-10-14 15:53:43,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:53:43,368 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:53:43,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43 WrapperNode [2024-10-14 15:53:43,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:53:43,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:53:43,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:53:43,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:53:43,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:43,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:43,685 INFO L138 Inliner]: procedures = 459, calls = 1838, calls flagged for inlining = 218, calls inlined = 200, statements flattened = 5153 [2024-10-14 15:53:43,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:53:43,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:53:43,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:53:43,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:53:43,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:43,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:43,746 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,610 INFO L175 MemorySlicer]: Split 784 memory accesses to 18 slices as follows [8, 26, 2, 6, 5, 5, 645, 5, 3, 8, 2, 2, 8, 1, 2, 52, 3, 1]. 82 percent of accesses are in the largest equivalence class. The 252 initializations are split as follows [8, 26, 0, 0, 5, 5, 140, 5, 3, 8, 0, 0, 8, 1, 2, 40, 1, 0]. The 144 writes are split as follows [0, 0, 1, 5, 0, 0, 136, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0]. [2024-10-14 15:53:44,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:53:44,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:53:44,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:53:44,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:53:44,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (1/1) ... [2024-10-14 15:53:44,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:53:44,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:53:44,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 15:53:44,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 15:53:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_set_multicast [2024-10-14 15:53:44,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_set_multicast [2024-10-14 15:53:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-14 15:53:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-14 15:53:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_rx_kick [2024-10-14 15:53:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_rx_kick [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_do_reset [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_do_reset [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-14 15:53:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-14 15:53:44,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_62 [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_62 [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_remove_one [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_remove_one [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-14 15:53:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_update_stats [2024-10-14 15:53:44,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_update_stats [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-14 15:53:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-14 15:53:44,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-14 15:53:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:53:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-14 15:53:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-14 15:53:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-14 15:53:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-14 15:53:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-14 15:53:44,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-14 15:53:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_tx_timeout [2024-10-14 15:53:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_tx_timeout [2024-10-14 15:53:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-14 15:53:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-14 15:53:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-14 15:53:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-14 15:53:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-14 15:53:44,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-14 15:53:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-14 15:53:44,950 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-14 15:53:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:53:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:53:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:53:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-14 15:53:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-14 15:53:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-14 15:53:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-14 15:53:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-14 15:53:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-14 15:53:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-14 15:53:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-14 15:53:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-14 15:53:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-14 15:53:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-14 15:53:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-10-14 15:53:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-10-14 15:53:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-14 15:53:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-14 15:53:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-14 15:53:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-14 15:53:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-14 15:53:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_run_bist [2024-10-14 15:53:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_run_bist [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-14 15:53:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-14 15:53:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-10-14 15:53:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-10-14 15:53:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-14 15:53:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-14 15:53:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure clear_rx_desc [2024-10-14 15:53:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_rx_desc [2024-10-14 15:53:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure phy_intr [2024-10-14 15:53:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_intr [2024-10-14 15:53:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-14 15:53:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-14 15:53:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-14 15:53:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-14 15:53:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-14 15:53:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-14 15:53:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-10-14 15:53:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-10-14 15:53:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-14 15:53:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-14 15:53:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-14 15:53:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-14 15:53:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx_done [2024-10-14 15:53:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx_done [2024-10-14 15:53:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-14 15:53:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_misc_lock_of_ns83820 [2024-10-14 15:53:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-14 15:53:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-14 15:53:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-14 15:53:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_stop [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_stop [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure kick_tx [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_tx [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rx_info [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rx_info [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:53:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:53:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-14 15:53:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-14 15:53:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-14 15:53:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-14 15:53:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-10-14 15:53:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-10-14 15:53:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-14 15:53:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-14 15:53:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-14 15:53:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-14 15:53:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-10-14 15:53:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-10-14 15:53:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-14 15:53:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-14 15:53:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-14 15:53:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-14 15:53:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-14 15:53:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-14 15:53:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-14 15:53:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-14 15:53:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-14 15:53:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2024-10-14 15:53:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2024-10-14 15:53:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-14 15:53:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-14 15:53:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:53:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-10-14 15:53:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-10-14 15:53:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:53:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:53:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:53:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:53:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-14 15:53:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:53:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:53:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:53:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:53:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:53:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:53:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:53:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:53:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-14 15:53:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_ns83820 [2024-10-14 15:53:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2024-10-14 15:53:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure build_rx_desc [2024-10-14 15:53:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure build_rx_desc [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 15:53:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_misc_lock_of_ns83820 [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_open [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_open [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-14 15:53:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-14 15:53:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-14 15:53:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-14 15:53:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure rx_irq [2024-10-14 15:53:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_irq [2024-10-14 15:53:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ns83820_disable_interrupts [2024-10-14 15:53:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ns83820_disable_interrupts [2024-10-14 15:53:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure kick_rx [2024-10-14 15:53:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kick_rx [2024-10-14 15:53:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-14 15:53:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-14 15:53:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:53:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 15:53:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure rx_refill [2024-10-14 15:53:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_refill [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-14 15:53:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-14 15:53:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rx_info [2024-10-14 15:53:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-14 15:53:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_ns83820 [2024-10-14 15:53:45,904 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:53:45,909 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:53:46,109 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:53:49,153 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-14 15:53:50,403 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-10-14 15:53:50,404 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:53:50,758 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:53:50,758 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 15:53:50,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:53:50 BoogieIcfgContainer [2024-10-14 15:53:50,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:53:50,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:53:50,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:53:50,765 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:53:50,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:53:39" (1/3) ... [2024-10-14 15:53:50,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250de914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:53:50, skipping insertion in model container [2024-10-14 15:53:50,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:53:43" (2/3) ... [2024-10-14 15:53:50,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250de914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:53:50, skipping insertion in model container [2024-10-14 15:53:50,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:53:50" (3/3) ... [2024-10-14 15:53:50,770 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-ns83820.cil.i [2024-10-14 15:53:50,847 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:53:50,847 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-14 15:53:51,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:53:51,011 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;@47db3f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:53:51,011 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-14 15:53:51,024 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) [2024-10-14 15:53:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 15:53:51,038 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:53:51,039 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] [2024-10-14 15:53:51,040 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)] === [2024-10-14 15:53:51,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:53:51,047 INFO L85 PathProgramCache]: Analyzing trace with hash 304655172, now seen corresponding path program 1 times [2024-10-14 15:53:51,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:53:51,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815530654] [2024-10-14 15:53:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:53:51,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:53:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:53:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:53:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:53:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:53:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:53:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:53:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:53:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:51,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 15:53:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-14 15:53:52,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:53:52,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815530654] [2024-10-14 15:53:52,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815530654] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:53:52,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:53:52,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:53:52,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794607065] [2024-10-14 15:53:52,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:53:52,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:53:52,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:53:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:53:52,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:53:52,050 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) [2024-10-14 15:53:58,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:53:58,390 INFO L93 Difference]: Finished difference Result 6003 states and 9002 transitions. [2024-10-14 15:53:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:53:58,392 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 [2024-10-14 15:53:58,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:53:58,440 INFO L225 Difference]: With dead ends: 6003 [2024-10-14 15:53:58,440 INFO L226 Difference]: Without dead ends: 4019 [2024-10-14 15:53:58,459 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 [2024-10-14 15:53:58,463 INFO L432 NwaCegarLoop]: 1796 mSDtfsCounter, 3655 mSDsluCounter, 2547 mSDsCounter, 0 mSdLazyCounter, 2873 mSolverCounterSat, 1470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 4343 SdHoareTripleChecker+Invalid, 4343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 2873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-14 15:53:58,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 4343 Invalid, 4343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1470 Valid, 2873 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-10-14 15:53:58,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2024-10-14 15:53:58,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 3885. [2024-10-14 15:53:58,759 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) [2024-10-14 15:53:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5565 transitions. [2024-10-14 15:53:58,796 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5565 transitions. Word has length 87 [2024-10-14 15:53:58,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:53:58,797 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 5565 transitions. [2024-10-14 15:53:58,798 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) [2024-10-14 15:53:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5565 transitions. [2024-10-14 15:53:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 15:53:58,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:53:58,806 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] [2024-10-14 15:53:58,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:53:58,806 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)] === [2024-10-14 15:53:58,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:53:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1831173826, now seen corresponding path program 1 times [2024-10-14 15:53:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:53:58,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487204292] [2024-10-14 15:53:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:53:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:53:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:53:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:53:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:53:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:53:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:53:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:53:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:53:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:53:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 15:53:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:53:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-14 15:53:59,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:53:59,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487204292] [2024-10-14 15:53:59,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487204292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:53:59,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:53:59,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:53:59,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747176179] [2024-10-14 15:53:59,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:53:59,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:53:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:53:59,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:53:59,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:53:59,272 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) [2024-10-14 15:54:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:04,621 INFO L93 Difference]: Finished difference Result 8889 states and 12781 transitions. [2024-10-14 15:54:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:54:04,622 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 [2024-10-14 15:54:04,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:04,658 INFO L225 Difference]: With dead ends: 8889 [2024-10-14 15:54:04,659 INFO L226 Difference]: Without dead ends: 5019 [2024-10-14 15:54:04,676 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 [2024-10-14 15:54:04,678 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 2874 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 3043 mSolverCounterSat, 1242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 4293 SdHoareTripleChecker+Invalid, 4285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1242 IncrementalHoareTripleChecker+Valid, 3043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:04,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 4293 Invalid, 4285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1242 Valid, 3043 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-14 15:54:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5019 states. [2024-10-14 15:54:04,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5019 to 4817. [2024-10-14 15:54:04,944 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) [2024-10-14 15:54:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6878 transitions. [2024-10-14 15:54:04,977 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6878 transitions. Word has length 99 [2024-10-14 15:54:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:04,979 INFO L471 AbstractCegarLoop]: Abstraction has 4817 states and 6878 transitions. [2024-10-14 15:54:04,980 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) [2024-10-14 15:54:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6878 transitions. [2024-10-14 15:54:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 15:54:04,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:04,986 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] [2024-10-14 15:54:04,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:54:04,987 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)] === [2024-10-14 15:54:04,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:04,987 INFO L85 PathProgramCache]: Analyzing trace with hash 593381821, now seen corresponding path program 1 times [2024-10-14 15:54:04,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:04,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969287325] [2024-10-14 15:54:04,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 15:54:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-14 15:54:05,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:05,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969287325] [2024-10-14 15:54:05,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969287325] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:05,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:05,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:54:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421641147] [2024-10-14 15:54:05,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:05,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:54:05,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:05,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:54:05,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:54:05,289 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) [2024-10-14 15:54:09,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:09,795 INFO L93 Difference]: Finished difference Result 11938 states and 17044 transitions. [2024-10-14 15:54:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:54:09,795 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 [2024-10-14 15:54:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:09,835 INFO L225 Difference]: With dead ends: 11938 [2024-10-14 15:54:09,835 INFO L226 Difference]: Without dead ends: 7136 [2024-10-14 15:54:09,851 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 [2024-10-14 15:54:09,852 INFO L432 NwaCegarLoop]: 1786 mSDtfsCounter, 3228 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:09,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3663 Valid, 4320 Invalid, 4317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1450 Valid, 2867 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-14 15:54:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7136 states. [2024-10-14 15:54:10,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7136 to 6865. [2024-10-14 15:54:10,118 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) [2024-10-14 15:54:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6865 states to 6865 states and 9736 transitions. [2024-10-14 15:54:10,150 INFO L78 Accepts]: Start accepts. Automaton has 6865 states and 9736 transitions. Word has length 98 [2024-10-14 15:54:10,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:10,151 INFO L471 AbstractCegarLoop]: Abstraction has 6865 states and 9736 transitions. [2024-10-14 15:54:10,151 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) [2024-10-14 15:54:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6865 states and 9736 transitions. [2024-10-14 15:54:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-14 15:54:10,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:10,152 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] [2024-10-14 15:54:10,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:54:10,153 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)] === [2024-10-14 15:54:10,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:10,153 INFO L85 PathProgramCache]: Analyzing trace with hash -982558588, now seen corresponding path program 1 times [2024-10-14 15:54:10,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:10,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865669395] [2024-10-14 15:54:10,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 15:54:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-14 15:54:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:54:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-14 15:54:10,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:10,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865669395] [2024-10-14 15:54:10,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865669395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:10,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:10,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:54:10,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138796873] [2024-10-14 15:54:10,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:10,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:54:10,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:54:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:54:10,530 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) [2024-10-14 15:54:14,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:14,649 INFO L93 Difference]: Finished difference Result 19301 states and 27459 transitions. [2024-10-14 15:54:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:54:14,649 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 [2024-10-14 15:54:14,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:14,711 INFO L225 Difference]: With dead ends: 19301 [2024-10-14 15:54:14,711 INFO L226 Difference]: Without dead ends: 12451 [2024-10-14 15:54:14,736 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 [2024-10-14 15:54:14,739 INFO L432 NwaCegarLoop]: 1800 mSDtfsCounter, 3386 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 2765 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 2765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:14,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 4362 Invalid, 4237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 2765 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-14 15:54:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12451 states. [2024-10-14 15:54:15,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12451 to 11944. [2024-10-14 15:54:15,216 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) [2024-10-14 15:54:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11944 states to 11944 states and 16918 transitions. [2024-10-14 15:54:15,270 INFO L78 Accepts]: Start accepts. Automaton has 11944 states and 16918 transitions. Word has length 102 [2024-10-14 15:54:15,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:15,271 INFO L471 AbstractCegarLoop]: Abstraction has 11944 states and 16918 transitions. [2024-10-14 15:54:15,271 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) [2024-10-14 15:54:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 11944 states and 16918 transitions. [2024-10-14 15:54:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-14 15:54:15,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:15,272 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] [2024-10-14 15:54:15,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:54:15,273 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)] === [2024-10-14 15:54:15,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:15,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1327164006, now seen corresponding path program 1 times [2024-10-14 15:54:15,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:15,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717533802] [2024-10-14 15:54:15,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:15,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 15:54:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 15:54:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:54:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 15:54:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-10-14 15:54:15,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717533802] [2024-10-14 15:54:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717533802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:15,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:15,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:54:15,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182811236] [2024-10-14 15:54:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:15,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:54:15,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:15,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:54:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:54:15,556 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) [2024-10-14 15:54:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:20,101 INFO L93 Difference]: Finished difference Result 33184 states and 46997 transitions. [2024-10-14 15:54:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:54:20,102 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 [2024-10-14 15:54:20,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:20,178 INFO L225 Difference]: With dead ends: 33184 [2024-10-14 15:54:20,178 INFO L226 Difference]: Without dead ends: 21255 [2024-10-14 15:54:20,213 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 [2024-10-14 15:54:20,214 INFO L432 NwaCegarLoop]: 2328 mSDtfsCounter, 3383 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 3149 mSolverCounterSat, 1342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.9s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:20,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 5214 Invalid, 4491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1342 Valid, 3149 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-14 15:54:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21255 states. [2024-10-14 15:54:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21255 to 20424. [2024-10-14 15:54:20,899 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) [2024-10-14 15:54:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20424 states to 20424 states and 28727 transitions. [2024-10-14 15:54:21,201 INFO L78 Accepts]: Start accepts. Automaton has 20424 states and 28727 transitions. Word has length 104 [2024-10-14 15:54:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:21,202 INFO L471 AbstractCegarLoop]: Abstraction has 20424 states and 28727 transitions. [2024-10-14 15:54:21,202 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) [2024-10-14 15:54:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 20424 states and 28727 transitions. [2024-10-14 15:54:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-14 15:54:21,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:21,205 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] [2024-10-14 15:54:21,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:54:21,205 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)] === [2024-10-14 15:54:21,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1317046600, now seen corresponding path program 1 times [2024-10-14 15:54:21,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:21,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810732372] [2024-10-14 15:54:21,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:21,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:54:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 15:54:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:54:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:54:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:54:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:54:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 15:54:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 15:54:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-10-14 15:54:21,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:21,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810732372] [2024-10-14 15:54:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810732372] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:21,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:21,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 15:54:21,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745493143] [2024-10-14 15:54:21,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:21,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 15:54:21,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 15:54:21,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 15:54:21,450 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) [2024-10-14 15:54:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:26,764 INFO L93 Difference]: Finished difference Result 62165 states and 87829 transitions. [2024-10-14 15:54:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 15:54:26,765 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 [2024-10-14 15:54:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:26,929 INFO L225 Difference]: With dead ends: 62165 [2024-10-14 15:54:26,929 INFO L226 Difference]: Without dead ends: 41797 [2024-10-14 15:54:26,993 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 [2024-10-14 15:54:26,995 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, 4.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:26,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 4424 Invalid, 4385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1484 Valid, 2901 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-14 15:54:27,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41797 states. [2024-10-14 15:54:28,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41797 to 40181. [2024-10-14 15:54:28,589 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) [2024-10-14 15:54:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40181 states to 40181 states and 56541 transitions. [2024-10-14 15:54:28,774 INFO L78 Accepts]: Start accepts. Automaton has 40181 states and 56541 transitions. Word has length 130 [2024-10-14 15:54:28,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:28,774 INFO L471 AbstractCegarLoop]: Abstraction has 40181 states and 56541 transitions. [2024-10-14 15:54:28,775 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) [2024-10-14 15:54:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 40181 states and 56541 transitions. [2024-10-14 15:54:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-14 15:54:28,776 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:28,777 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] [2024-10-14 15:54:28,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:54:28,777 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)] === [2024-10-14 15:54:28,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:28,778 INFO L85 PathProgramCache]: Analyzing trace with hash 983775990, now seen corresponding path program 1 times [2024-10-14 15:54:28,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:28,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402426268] [2024-10-14 15:54:28,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:54:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 15:54:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:54:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:54:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:54:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:54:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 15:54:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 15:54:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-14 15:54:29,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:29,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402426268] [2024-10-14 15:54:29,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402426268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:29,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:29,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:54:29,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714338127] [2024-10-14 15:54:29,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:29,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:54:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:54:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:54:29,694 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) [2024-10-14 15:54:34,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:34,289 INFO L93 Difference]: Finished difference Result 41779 states and 59125 transitions. [2024-10-14 15:54:34,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:54:34,290 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 [2024-10-14 15:54:34,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:34,475 INFO L225 Difference]: With dead ends: 41779 [2024-10-14 15:54:34,475 INFO L226 Difference]: Without dead ends: 41777 [2024-10-14 15:54:34,497 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 [2024-10-14 15:54:34,498 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 2849 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4186 mSolverCounterSat, 1149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:34,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 5830 Invalid, 5335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1149 Valid, 4186 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 15:54:34,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41777 states. [2024-10-14 15:54:36,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41777 to 40185. [2024-10-14 15:54:36,399 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) [2024-10-14 15:54:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40185 states to 40185 states and 56544 transitions. [2024-10-14 15:54:36,534 INFO L78 Accepts]: Start accepts. Automaton has 40185 states and 56544 transitions. Word has length 130 [2024-10-14 15:54:36,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:36,535 INFO L471 AbstractCegarLoop]: Abstraction has 40185 states and 56544 transitions. [2024-10-14 15:54:36,535 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) [2024-10-14 15:54:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 40185 states and 56544 transitions. [2024-10-14 15:54:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-14 15:54:36,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:36,537 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] [2024-10-14 15:54:36,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 15:54:36,537 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)] === [2024-10-14 15:54:36,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:36,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1739756014, now seen corresponding path program 1 times [2024-10-14 15:54:36,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:36,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468254569] [2024-10-14 15:54:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:36,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:36,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:54:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 15:54:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:54:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:54:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:54:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:54:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 15:54:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-14 15:54:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-14 15:54:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-10-14 15:54:37,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:37,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468254569] [2024-10-14 15:54:37,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468254569] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:37,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:37,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:54:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157355335] [2024-10-14 15:54:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:37,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:54:37,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:37,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:54:37,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:54:37,304 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) [2024-10-14 15:54:42,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:54:42,021 INFO L93 Difference]: Finished difference Result 41783 states and 59128 transitions. [2024-10-14 15:54:42,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:54:42,022 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 [2024-10-14 15:54:42,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:54:42,207 INFO L225 Difference]: With dead ends: 41783 [2024-10-14 15:54:42,207 INFO L226 Difference]: Without dead ends: 41781 [2024-10-14 15:54:42,230 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 [2024-10-14 15:54:42,230 INFO L432 NwaCegarLoop]: 1780 mSDtfsCounter, 2843 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4191 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 5830 SdHoareTripleChecker+Invalid, 5339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 4191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:54:42,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 5830 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1148 Valid, 4191 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-14 15:54:42,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41781 states. [2024-10-14 15:54:44,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41781 to 40189. [2024-10-14 15:54:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40189 states, 27523 states have (on average 1.3149002652327144) internal successors, (36190), 28169 states have internal predecessors, (36190), 10102 states have call successors, (10102), 2566 states have call predecessors, (10102), 2561 states have return successors, (10255), 9911 states have call predecessors, (10255), 10099 states have call successors, (10255) [2024-10-14 15:54:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40189 states to 40189 states and 56547 transitions. [2024-10-14 15:54:44,441 INFO L78 Accepts]: Start accepts. Automaton has 40189 states and 56547 transitions. Word has length 135 [2024-10-14 15:54:44,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:54:44,442 INFO L471 AbstractCegarLoop]: Abstraction has 40189 states and 56547 transitions. [2024-10-14 15:54:44,442 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-10-14 15:54:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 40189 states and 56547 transitions. [2024-10-14 15:54:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 15:54:44,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:54:44,445 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 15:54:44,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 15:54:44,445 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2024-10-14 15:54:44,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:54:44,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1256634373, now seen corresponding path program 1 times [2024-10-14 15:54:44,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:54:44,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538571557] [2024-10-14 15:54:44,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:54:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:54:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 15:54:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-14 15:54:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 15:54:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 15:54:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 15:54:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:54:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 15:54:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:54:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 15:54:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:54:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:54:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-14 15:54:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:54:44,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:54:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 15:54:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 15:54:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:54:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-14 15:54:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 15:54:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 15:54:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:54:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-10-14 15:54:44,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:54:44,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538571557] [2024-10-14 15:54:44,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538571557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:54:44,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:54:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:54:44,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655097989] [2024-10-14 15:54:44,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:54:44,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:54:44,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:54:44,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:54:44,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:54:44,860 INFO L87 Difference]: Start difference. First operand 40189 states and 56547 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)