./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-hippi-rrunner.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:54:49,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:54:49,442 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:54:49,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:54:49,450 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:54:49,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:54:49,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:54:49,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:54:49,472 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:54:49,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:54:49,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:54:49,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:54:49,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:54:49,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:54:49,474 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:54:49,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:54:49,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:54:49,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:54:49,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:54:49,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:54:49,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:54:49,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:54:49,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:54:49,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:54:49,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:54:49,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:54:49,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:54:49,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:54:49,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:54:49,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:49,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:54:49,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:54:49,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:54:49,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:54:49,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:54:49,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:54:49,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:54:49,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:54:49,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:54:49,487 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10193951df4eb6f67d99eaaa8758acfa57b6461ca38071389a41cbdc5c585dfb [2024-10-11 15:54:49,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:54:49,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:54:49,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:54:49,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:54:49,811 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:54:49,812 INFO L431 ainManager$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-hippi-rrunner.cil.i [2024-10-11 15:54:51,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:54:51,737 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:54:51,737 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-hippi-rrunner.cil.i [2024-10-11 15:54:51,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7e5685c25/8e4dd90843b94b72b6fc21ab17c9e230/FLAG3941aedc8 [2024-10-11 15:54:52,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7e5685c25/8e4dd90843b94b72b6fc21ab17c9e230 [2024-10-11 15:54:52,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:54:52,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:54:52,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:52,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:54:52,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:54:52,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:52" (1/1) ... [2024-10-11 15:54:52,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645fcaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:52, skipping insertion in model container [2024-10-11 15:54:52,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:54:52" (1/1) ... [2024-10-11 15:54:52,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:54:55,424 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-hippi-rrunner.cil.i[341176,341189] [2024-10-11 15:54:55,430 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-hippi-rrunner.cil.i[341345,341358] [2024-10-11 15:54:55,435 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-hippi-rrunner.cil.i[341512,341525] [2024-10-11 15:54:55,435 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-hippi-rrunner.cil.i[341680,341693] [2024-10-11 15:54:55,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:55,504 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:54:55,650 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"); [5891] [2024-10-11 15:54:55,653 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)); [5898] [2024-10-11 15:54:55,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5905] [2024-10-11 15:54:55,658 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)); [5960-5961] [2024-10-11 15:54:55,658 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"); [5966-5968] [2024-10-11 15:54:55,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5982] [2024-10-11 15:54:55,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6078] [2024-10-11 15:54:55,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6085] [2024-10-11 15:54:55,667 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)); [6245-6246] [2024-10-11 15:54:55,672 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)); [6279-6280] [2024-10-11 15:54:55,674 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" (103), "i" (12UL)); [6316-6317] [2024-10-11 15:54:55,676 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" (115), "i" (12UL)); [6353-6354] [2024-10-11 15:54:55,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6852] [2024-10-11 15:54:55,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6864] [2024-10-11 15:54:55,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6877] [2024-10-11 15:54:55,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7146] [2024-10-11 15:54:55,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7149] [2024-10-11 15:54:55,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7218] [2024-10-11 15:54:55,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7221] [2024-10-11 15:54:55,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7224] [2024-10-11 15:54:55,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7247] [2024-10-11 15:54:55,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7254] [2024-10-11 15:54:55,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7257] [2024-10-11 15:54:55,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7269] [2024-10-11 15:54:55,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7316] [2024-10-11 15:54:55,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7323] [2024-10-11 15:54:55,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7332] [2024-10-11 15:54:55,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7344] [2024-10-11 15:54:55,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7372] [2024-10-11 15:54:55,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7450] [2024-10-11 15:54:55,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7521] [2024-10-11 15:54:55,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2024-10-11 15:54:55,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7568] [2024-10-11 15:54:55,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7770] [2024-10-11 15:54:55,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7798] [2024-10-11 15:54:55,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7806] [2024-10-11 15:54:55,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7831] [2024-10-11 15:54:55,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7845] [2024-10-11 15:54:55,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7853] [2024-10-11 15:54:55,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7861] [2024-10-11 15:54:55,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7869] [2024-10-11 15:54:55,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7932] [2024-10-11 15:54:55,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7940] [2024-10-11 15:54:55,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2024-10-11 15:54:55,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7970] [2024-10-11 15:54:55,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8069] [2024-10-11 15:54:55,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8145] [2024-10-11 15:54:55,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8168] [2024-10-11 15:54:55,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8258] [2024-10-11 15:54:55,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8335] [2024-10-11 15:54:55,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8662] [2024-10-11 15:54:55,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8735] [2024-10-11 15:54:55,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8737] [2024-10-11 15:54:55,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8747] [2024-10-11 15:54:55,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8796] [2024-10-11 15:54:55,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8798] [2024-10-11 15:54:55,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8817] [2024-10-11 15:54:55,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9022] [2024-10-11 15:54:55,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9025] [2024-10-11 15:54:55,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9028] [2024-10-11 15:54:55,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9031] [2024-10-11 15:54:55,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)rq->ifr_ifru.ifru_data): "ebx"); [9034] [2024-10-11 15:54:55,865 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-hippi-rrunner.cil.i[341176,341189] [2024-10-11 15:54:55,866 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-hippi-rrunner.cil.i[341345,341358] [2024-10-11 15:54:55,866 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-hippi-rrunner.cil.i[341512,341525] [2024-10-11 15:54:55,867 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-hippi-rrunner.cil.i[341680,341693] [2024-10-11 15:54:55,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:54:56,085 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:54:56,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56 WrapperNode [2024-10-11 15:54:56,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:54:56,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:56,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:54:56,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:54:56,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:56,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:56,378 INFO L138 Inliner]: procedures = 427, calls = 1839, calls flagged for inlining = 206, calls inlined = 187, statements flattened = 5237 [2024-10-11 15:54:56,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:54:56,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:54:56,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:54:56,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:54:56,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:56,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:56,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,324 INFO L175 MemorySlicer]: Split 713 memory accesses to 14 slices as follows [6, 8, 4, 5, 2, 531, 88, 52, 2, 1, 8, 1, 2, 3]. 74 percent of accesses are in the largest equivalence class. The 229 initializations are split as follows [0, 8, 0, 0, 0, 81, 88, 40, 0, 0, 8, 1, 2, 1]. The 121 writes are split as follows [0, 0, 1, 3, 1, 115, 0, 0, 1, 0, 0, 0, 0, 0]. [2024-10-11 15:54:57,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:54:57,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:54:57,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:54:57,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:54:57,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (1/1) ... [2024-10-11 15:54:57,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:54:57,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:54:57,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:54:57,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:54:57,641 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-11 15:54:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-11 15:54:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 15:54:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 15:54:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:54:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:54:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2024-10-11 15:54:57,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2024-10-11 15:54:57,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:54:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:54:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:54:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:54:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-10-11 15:54:57,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rr_driver_exit_13_2 [2024-10-11 15:54:57,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rr_private [2024-10-11 15:54:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rr_private [2024-10-11 15:54:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:57,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:54:57,644 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-11 15:54:57,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-11 15:54:57,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_rraddr [2024-10-11 15:54:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rraddr [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:54:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom_word [2024-10-11 15:54:57,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom_word [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:54:57,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-11 15:54:57,647 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-11 15:54:57,647 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:54:57,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:54:57,648 INFO L130 BoogieDeclarations]: Found specification of procedure rr_read_eeprom [2024-10-11 15:54:57,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_read_eeprom [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:54:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:54:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:54:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:54:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:54:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:54:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 15:54:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 15:54:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 15:54:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 15:54:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:54:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:54:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:54:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:54:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:54:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:54:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 15:54:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:54:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:54:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:54:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:54:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:54:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:54:57,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:54:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:54:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:54:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:54:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-10-11 15:54:57,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-10-11 15:54:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:54:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:54:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rr_private [2024-10-11 15:54:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rr_private [2024-10-11 15:54:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 15:54:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 15:54:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-11 15:54:57,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-11 15:54:57,661 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 15:54:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 15:54:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-11 15:54:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-11 15:54:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 15:54:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 15:54:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:54:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:54:57,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:54:57,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-10-11 15:54:57,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:54:57,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-11 15:54:57,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:54:57,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:54:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:54:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:54:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-11 15:54:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-11 15:54:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure rr_remove_one [2024-10-11 15:54:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_remove_one [2024-10-11 15:54:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-11 15:54:57,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-11 15:54:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:54:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:54:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:54:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 15:54:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-11 15:54:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:54:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure rr_init1 [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_init1 [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure rr_open [2024-10-11 15:54:57,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_open [2024-10-11 15:54:57,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:54:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-11 15:54:57,672 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-11 15:54:57,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:54:57,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:54:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:54:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:54:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:54:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:54:57,674 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-10-11 15:54:57,674 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:54:57,677 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:54:57,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:54:57,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:54:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_tx [2024-10-11 15:54:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_tx [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure rr_close [2024-10-11 15:54:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_close [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 15:54:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 15:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-11 15:54:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:54:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:54:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 15:54:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 15:54:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure rr_raz_rx [2024-10-11 15:54:57,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_raz_rx [2024-10-11 15:54:58,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:54:58,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:54:58,974 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:55:02,052 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-11 15:55:03,089 INFO L? ?]: Removed 2345 outVars from TransFormulas that were not future-live. [2024-10-11 15:55:03,089 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:55:03,460 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:55:03,460 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 15:55:03,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:55:03 BoogieIcfgContainer [2024-10-11 15:55:03,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:55:03,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:55:03,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:55:03,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:55:03,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:54:52" (1/3) ... [2024-10-11 15:55:03,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f3d5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:55:03, skipping insertion in model container [2024-10-11 15:55:03,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:54:56" (2/3) ... [2024-10-11 15:55:03,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f3d5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:55:03, skipping insertion in model container [2024-10-11 15:55:03,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:55:03" (3/3) ... [2024-10-11 15:55:03,471 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-hippi-rrunner.cil.i [2024-10-11 15:55:03,490 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:55:03,490 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 15:55:03,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:55:03,620 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;@35e61412, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:55:03,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 15:55:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 1571 states, 947 states have (on average 1.3400211193241816) internal successors, (1269), 960 states have internal predecessors, (1269), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) [2024-10-11 15:55:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 15:55:03,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:03,652 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] [2024-10-11 15:55:03,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:03,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:03,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1355606199, now seen corresponding path program 1 times [2024-10-11 15:55:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:03,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169840265] [2024-10-11 15:55:03,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 15:55:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:55:04,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169840265] [2024-10-11 15:55:04,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169840265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:04,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:04,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:04,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239423532] [2024-10-11 15:55:04,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:04,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:04,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:04,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:04,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:04,526 INFO L87 Difference]: Start difference. First operand has 1571 states, 947 states have (on average 1.3400211193241816) internal successors, (1269), 960 states have internal predecessors, (1269), 550 states have call successors, (550), 72 states have call predecessors, (550), 71 states have return successors, (544), 543 states have call predecessors, (544), 544 states have call successors, (544) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 15:55:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:09,476 INFO L93 Difference]: Finished difference Result 4622 states and 7153 transitions. [2024-10-11 15:55:09,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:09,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 91 [2024-10-11 15:55:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:09,532 INFO L225 Difference]: With dead ends: 4622 [2024-10-11 15:55:09,533 INFO L226 Difference]: Without dead ends: 3056 [2024-10-11 15:55:09,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:09,557 INFO L432 NwaCegarLoop]: 1908 mSDtfsCounter, 2360 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 4076 SdHoareTripleChecker+Invalid, 3570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:09,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 4076 Invalid, 3570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1199 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 15:55:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2024-10-11 15:55:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 3028. [2024-10-11 15:55:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 1843 states have (on average 1.305480195333695) internal successors, (2406), 1868 states have internal predecessors, (2406), 1044 states have call successors, (1044), 139 states have call predecessors, (1044), 138 states have return successors, (1040), 1038 states have call predecessors, (1040), 1040 states have call successors, (1040) [2024-10-11 15:55:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 4490 transitions. [2024-10-11 15:55:09,889 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 4490 transitions. Word has length 91 [2024-10-11 15:55:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:09,892 INFO L471 AbstractCegarLoop]: Abstraction has 3028 states and 4490 transitions. [2024-10-11 15:55:09,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-10-11 15:55:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 4490 transitions. [2024-10-11 15:55:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 15:55:09,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:09,903 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:09,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:55:09,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:09,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:09,904 INFO L85 PathProgramCache]: Analyzing trace with hash 759119102, now seen corresponding path program 1 times [2024-10-11 15:55:09,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:09,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053192848] [2024-10-11 15:55:09,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:09,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 15:55:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 15:55:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:55:10,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:10,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053192848] [2024-10-11 15:55:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053192848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560057520] [2024-10-11 15:55:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:10,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:10,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:10,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:10,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:10,260 INFO L87 Difference]: Start difference. First operand 3028 states and 4490 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 15:55:14,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:14,827 INFO L93 Difference]: Finished difference Result 8474 states and 12597 transitions. [2024-10-11 15:55:14,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:14,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 98 [2024-10-11 15:55:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:14,870 INFO L225 Difference]: With dead ends: 8474 [2024-10-11 15:55:14,870 INFO L226 Difference]: Without dead ends: 5461 [2024-10-11 15:55:14,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:14,887 INFO L432 NwaCegarLoop]: 1662 mSDtfsCounter, 2009 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 1246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 3737 SdHoareTripleChecker+Invalid, 3500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:14,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 3737 Invalid, 3500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-10-11 15:55:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5461 states. [2024-10-11 15:55:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5461 to 5389. [2024-10-11 15:55:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5389 states, 3250 states have (on average 1.3024615384615386) internal successors, (4233), 3300 states have internal predecessors, (4233), 1867 states have call successors, (1867), 274 states have call predecessors, (1867), 269 states have return successors, (1879), 1842 states have call predecessors, (1879), 1863 states have call successors, (1879) [2024-10-11 15:55:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 7979 transitions. [2024-10-11 15:55:15,305 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 7979 transitions. Word has length 98 [2024-10-11 15:55:15,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:15,306 INFO L471 AbstractCegarLoop]: Abstraction has 5389 states and 7979 transitions. [2024-10-11 15:55:15,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 15:55:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 7979 transitions. [2024-10-11 15:55:15,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-11 15:55:15,309 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:15,310 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, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:15,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:55:15,310 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:15,311 INFO L85 PathProgramCache]: Analyzing trace with hash -480642784, now seen corresponding path program 1 times [2024-10-11 15:55:15,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:15,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295464433] [2024-10-11 15:55:15,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:15,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:55:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:55:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-10-11 15:55:15,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:15,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295464433] [2024-10-11 15:55:15,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295464433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:15,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:15,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:15,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084314462] [2024-10-11 15:55:15,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:15,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:15,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:15,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:15,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:15,725 INFO L87 Difference]: Start difference. First operand 5389 states and 7979 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 15:55:19,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:19,026 INFO L93 Difference]: Finished difference Result 10741 states and 15933 transitions. [2024-10-11 15:55:19,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:19,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2024-10-11 15:55:19,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:19,063 INFO L225 Difference]: With dead ends: 10741 [2024-10-11 15:55:19,064 INFO L226 Difference]: Without dead ends: 5367 [2024-10-11 15:55:19,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:19,091 INFO L432 NwaCegarLoop]: 1681 mSDtfsCounter, 1699 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 3729 SdHoareTripleChecker+Invalid, 3358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 936 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:19,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 3729 Invalid, 3358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [936 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 15:55:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5367 states. [2024-10-11 15:55:19,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5367 to 5287. [2024-10-11 15:55:19,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5287 states, 3162 states have (on average 1.2985452245414295) internal successors, (4106), 3212 states have internal predecessors, (4106), 1831 states have call successors, (1831), 296 states have call predecessors, (1831), 291 states have return successors, (1835), 1805 states have call predecessors, (1835), 1827 states have call successors, (1835) [2024-10-11 15:55:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 5287 states and 7772 transitions. [2024-10-11 15:55:19,383 INFO L78 Accepts]: Start accepts. Automaton has 5287 states and 7772 transitions. Word has length 105 [2024-10-11 15:55:19,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:19,384 INFO L471 AbstractCegarLoop]: Abstraction has 5287 states and 7772 transitions. [2024-10-11 15:55:19,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-11 15:55:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5287 states and 7772 transitions. [2024-10-11 15:55:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 15:55:19,386 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:19,386 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:19,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:55:19,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:19,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:19,387 INFO L85 PathProgramCache]: Analyzing trace with hash 144657194, now seen corresponding path program 1 times [2024-10-11 15:55:19,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:19,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418371391] [2024-10-11 15:55:19,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:19,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 15:55:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 15:55:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:55:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:19,699 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-10-11 15:55:19,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:19,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418371391] [2024-10-11 15:55:19,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418371391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:19,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:19,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:19,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946316134] [2024-10-11 15:55:19,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:19,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:19,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:19,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:19,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:19,702 INFO L87 Difference]: Start difference. First operand 5287 states and 7772 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 15:55:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:23,372 INFO L93 Difference]: Finished difference Result 14067 states and 20699 transitions. [2024-10-11 15:55:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:23,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2024-10-11 15:55:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:23,433 INFO L225 Difference]: With dead ends: 14067 [2024-10-11 15:55:23,434 INFO L226 Difference]: Without dead ends: 8795 [2024-10-11 15:55:23,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:23,459 INFO L432 NwaCegarLoop]: 1644 mSDtfsCounter, 2120 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 2258 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2540 SdHoareTripleChecker+Valid, 3706 SdHoareTripleChecker+Invalid, 3524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 2258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:23,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2540 Valid, 3706 Invalid, 3524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 2258 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-11 15:55:23,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8795 states. [2024-10-11 15:55:23,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8795 to 8684. [2024-10-11 15:55:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8684 states, 5196 states have (on average 1.291955350269438) internal successors, (6713), 5285 states have internal predecessors, (6713), 2997 states have call successors, (2997), 499 states have call predecessors, (2997), 488 states have return successors, (3009), 2940 states have call predecessors, (3009), 2993 states have call successors, (3009) [2024-10-11 15:55:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8684 states to 8684 states and 12719 transitions. [2024-10-11 15:55:24,023 INFO L78 Accepts]: Start accepts. Automaton has 8684 states and 12719 transitions. Word has length 115 [2024-10-11 15:55:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:24,024 INFO L471 AbstractCegarLoop]: Abstraction has 8684 states and 12719 transitions. [2024-10-11 15:55:24,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-11 15:55:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8684 states and 12719 transitions. [2024-10-11 15:55:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-11 15:55:24,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:24,027 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:24,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:55:24,027 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:24,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1454159403, now seen corresponding path program 1 times [2024-10-11 15:55:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:24,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090005642] [2024-10-11 15:55:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:55:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:55:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:55:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 15:55:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:55:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:55:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:55:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:55:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-10-11 15:55:24,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090005642] [2024-10-11 15:55:24,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090005642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:24,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:24,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:55:24,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473053747] [2024-10-11 15:55:24,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:24,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:55:24,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:24,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:55:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:24,406 INFO L87 Difference]: Start difference. First operand 8684 states and 12719 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-11 15:55:30,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:30,129 INFO L93 Difference]: Finished difference Result 24901 states and 36709 transitions. [2024-10-11 15:55:30,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 15:55:30,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 129 [2024-10-11 15:55:30,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:30,215 INFO L225 Difference]: With dead ends: 24901 [2024-10-11 15:55:30,215 INFO L226 Difference]: Without dead ends: 16232 [2024-10-11 15:55:30,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:55:30,246 INFO L432 NwaCegarLoop]: 2243 mSDtfsCounter, 2637 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3912 mSolverCounterSat, 2290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 5457 SdHoareTripleChecker+Invalid, 6202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2290 IncrementalHoareTripleChecker+Valid, 3912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:30,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 5457 Invalid, 6202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2290 Valid, 3912 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-11 15:55:30,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16232 states. [2024-10-11 15:55:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16232 to 15334. [2024-10-11 15:55:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15334 states, 9332 states have (on average 1.294899271324475) internal successors, (12084), 9514 states have internal predecessors, (12084), 5129 states have call successors, (5129), 889 states have call predecessors, (5129), 870 states have return successors, (5173), 5003 states have call predecessors, (5173), 5125 states have call successors, (5173) [2024-10-11 15:55:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15334 states to 15334 states and 22386 transitions. [2024-10-11 15:55:31,277 INFO L78 Accepts]: Start accepts. Automaton has 15334 states and 22386 transitions. Word has length 129 [2024-10-11 15:55:31,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:31,279 INFO L471 AbstractCegarLoop]: Abstraction has 15334 states and 22386 transitions. [2024-10-11 15:55:31,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-11 15:55:31,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15334 states and 22386 transitions. [2024-10-11 15:55:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 15:55:31,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:31,284 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:31,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:55:31,284 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:31,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:31,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1845826506, now seen corresponding path program 1 times [2024-10-11 15:55:31,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:31,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761522270] [2024-10-11 15:55:31,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:31,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:55:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:55:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:55:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:55:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2024-10-11 15:55:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761522270] [2024-10-11 15:55:31,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761522270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:31,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:31,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:31,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962431222] [2024-10-11 15:55:31,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:31,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:31,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:31,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:31,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:31,552 INFO L87 Difference]: Start difference. First operand 15334 states and 22386 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 15:55:35,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:35,869 INFO L93 Difference]: Finished difference Result 44462 states and 65144 transitions. [2024-10-11 15:55:35,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:35,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 134 [2024-10-11 15:55:35,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:36,046 INFO L225 Difference]: With dead ends: 44462 [2024-10-11 15:55:36,047 INFO L226 Difference]: Without dead ends: 29672 [2024-10-11 15:55:36,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:36,124 INFO L432 NwaCegarLoop]: 2586 mSDtfsCounter, 2221 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 953 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2701 SdHoareTripleChecker+Valid, 5111 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 953 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:36,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2701 Valid, 5111 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [953 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-11 15:55:36,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29672 states. [2024-10-11 15:55:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29672 to 29400. [2024-10-11 15:55:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29400 states, 17973 states have (on average 1.2932732431981306) internal successors, (23244), 18277 states have internal predecessors, (23244), 9776 states have call successors, (9776), 1677 states have call predecessors, (9776), 1648 states have return successors, (9868), 9590 states have call predecessors, (9868), 9772 states have call successors, (9868) [2024-10-11 15:55:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29400 states to 29400 states and 42888 transitions. [2024-10-11 15:55:37,906 INFO L78 Accepts]: Start accepts. Automaton has 29400 states and 42888 transitions. Word has length 134 [2024-10-11 15:55:37,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:37,911 INFO L471 AbstractCegarLoop]: Abstraction has 29400 states and 42888 transitions. [2024-10-11 15:55:37,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-11 15:55:37,911 INFO L276 IsEmpty]: Start isEmpty. Operand 29400 states and 42888 transitions. [2024-10-11 15:55:37,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 15:55:37,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:37,914 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:37,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:55:37,914 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:37,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:37,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1626971788, now seen corresponding path program 1 times [2024-10-11 15:55:37,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:37,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138744051] [2024-10-11 15:55:37,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:55:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:55:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:55:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:55:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-10-11 15:55:38,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:38,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138744051] [2024-10-11 15:55:38,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138744051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:38,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:38,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:55:38,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819170235] [2024-10-11 15:55:38,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:38,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:55:38,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:55:38,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:38,368 INFO L87 Difference]: Start difference. First operand 29400 states and 42888 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 15:55:42,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:42,661 INFO L93 Difference]: Finished difference Result 29674 states and 43438 transitions. [2024-10-11 15:55:42,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:55:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2024-10-11 15:55:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:42,842 INFO L225 Difference]: With dead ends: 29674 [2024-10-11 15:55:42,842 INFO L226 Difference]: Without dead ends: 29672 [2024-10-11 15:55:42,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:55:42,867 INFO L432 NwaCegarLoop]: 1638 mSDtfsCounter, 1983 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 3274 mSolverCounterSat, 914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 4188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 914 IncrementalHoareTripleChecker+Valid, 3274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:42,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 5002 Invalid, 4188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [914 Valid, 3274 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 15:55:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29672 states. [2024-10-11 15:55:44,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29672 to 29404. [2024-10-11 15:55:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29404 states, 17976 states have (on average 1.2932242990654206) internal successors, (23247), 18280 states have internal predecessors, (23247), 9776 states have call successors, (9776), 1678 states have call predecessors, (9776), 1649 states have return successors, (9868), 9590 states have call predecessors, (9868), 9772 states have call successors, (9868) [2024-10-11 15:55:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29404 states to 29404 states and 42891 transitions. [2024-10-11 15:55:44,699 INFO L78 Accepts]: Start accepts. Automaton has 29404 states and 42891 transitions. Word has length 134 [2024-10-11 15:55:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:44,700 INFO L471 AbstractCegarLoop]: Abstraction has 29404 states and 42891 transitions. [2024-10-11 15:55:44,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-11 15:55:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 29404 states and 42891 transitions. [2024-10-11 15:55:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-11 15:55:44,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:44,703 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 5, 5, 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] [2024-10-11 15:55:44,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:55:44,704 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:55:44,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash 618492051, now seen corresponding path program 1 times [2024-10-11 15:55:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:44,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980652103] [2024-10-11 15:55:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:55:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:55:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:55:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 15:55:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:55:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 15:55:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-10-11 15:55:44,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:44,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980652103] [2024-10-11 15:55:44,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980652103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:44,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:44,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:55:44,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002118173] [2024-10-11 15:55:44,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:44,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:55:44,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:44,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:55:44,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:55:44,958 INFO L87 Difference]: Start difference. First operand 29404 states and 42891 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 15:55:53,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:53,524 INFO L93 Difference]: Finished difference Result 72773 states and 106486 transitions. [2024-10-11 15:55:53,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 15:55:53,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 143 [2024-10-11 15:55:53,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:53,751 INFO L225 Difference]: With dead ends: 72773 [2024-10-11 15:55:53,752 INFO L226 Difference]: Without dead ends: 43913 [2024-10-11 15:55:53,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:55:53,856 INFO L432 NwaCegarLoop]: 1813 mSDtfsCounter, 2448 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 5871 mSolverCounterSat, 1986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 4509 SdHoareTripleChecker+Invalid, 7857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1986 IncrementalHoareTripleChecker+Valid, 5871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:53,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 4509 Invalid, 7857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1986 Valid, 5871 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-10-11 15:55:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43913 states. [2024-10-11 15:55:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43913 to 43486. [2024-10-11 15:55:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43486 states, 26633 states have (on average 1.2924942740209515) internal successors, (34423), 27059 states have internal predecessors, (34423), 14423 states have call successors, (14423), 2466 states have call predecessors, (14423), 2427 states have return successors, (14563), 14177 states have call predecessors, (14563), 14419 states have call successors, (14563) [2024-10-11 15:55:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43486 states to 43486 states and 63409 transitions. [2024-10-11 15:55:57,146 INFO L78 Accepts]: Start accepts. Automaton has 43486 states and 63409 transitions. Word has length 143 [2024-10-11 15:55:57,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:57,147 INFO L471 AbstractCegarLoop]: Abstraction has 43486 states and 63409 transitions. [2024-10-11 15:55:57,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-11 15:55:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 43486 states and 63409 transitions. [2024-10-11 15:55:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-11 15:55:57,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:57,150 INFO L215 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:55:57,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 15:55:57,150 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)] === [2024-10-11 15:55:57,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:57,150 INFO L85 PathProgramCache]: Analyzing trace with hash -227567967, now seen corresponding path program 1 times [2024-10-11 15:55:57,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:57,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695922669] [2024-10-11 15:55:57,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:57,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:55:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 15:55:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:55:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:55:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 15:55:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-10-11 15:55:57,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:57,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695922669] [2024-10-11 15:55:57,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695922669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:57,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:57,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:55:57,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148296127] [2024-10-11 15:55:57,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:57,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:55:57,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:57,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:55:57,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:57,572 INFO L87 Difference]: Start difference. First operand 43486 states and 63409 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, (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)