./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1 --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 19ba0d35210d41c6c507f30932a0dbf2999508b559098af97fec2d7b0a73d078 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:48:22,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:48:22,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:48:22,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:48:22,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:48:22,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:48:22,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:48:22,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:48:22,325 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:48:22,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:48:22,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:48:22,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:48:22,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:48:22,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:48:22,327 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:22,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:48:22,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:22,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:48:22,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:48:22,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:48:22,329 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1 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 -> 19ba0d35210d41c6c507f30932a0dbf2999508b559098af97fec2d7b0a73d078 [2024-12-02 15:48:22,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:48:22,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:48:22,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:48:22,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:48:22,586 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:48:22,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i [2024-12-02 15:48:25,283 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/data/eb54f551d/d504ff4dd4c24f438731d17069b15003/FLAG5143e8a3b [2024-12-02 15:48:25,297 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-02 15:48:25,765 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:48:25,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i [2024-12-02 15:48:25,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/data/eb54f551d/d504ff4dd4c24f438731d17069b15003/FLAG5143e8a3b [2024-12-02 15:48:25,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/data/eb54f551d/d504ff4dd4c24f438731d17069b15003 [2024-12-02 15:48:25,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:48:25,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:48:25,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:48:25,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:48:25,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:48:25,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:25" (1/1) ... [2024-12-02 15:48:25,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d1d2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:25, skipping insertion in model container [2024-12-02 15:48:25,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:48:25" (1/1) ... [2024-12-02 15:48:25,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:48:30,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491154,491167] [2024-12-02 15:48:30,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491323,491336] [2024-12-02 15:48:30,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491490,491503] [2024-12-02 15:48:30,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491658,491671] [2024-12-02 15:48:30,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:48:30,136 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:48:30,244 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"); [6249] [2024-12-02 15:48:30,245 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)); [6256] [2024-12-02 15:48:30,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6263] [2024-12-02 15:48:30,248 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6336-6337] [2024-12-02 15:48:30,249 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"); [6342-6344] [2024-12-02 15:48:30,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [6359] [2024-12-02 15:48:30,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6381] [2024-12-02 15:48:30,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6432] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6435] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [6437] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6442] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6445] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6447] [2024-12-02 15:48:30,251 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6452] [2024-12-02 15:48:30,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6455] [2024-12-02 15:48:30,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [6457] [2024-12-02 15:48:30,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6462] [2024-12-02 15:48:30,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6465] [2024-12-02 15:48:30,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [6467] [2024-12-02 15:48:30,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [6505] [2024-12-02 15:48:30,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [6508] [2024-12-02 15:48:30,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [6510] [2024-12-02 15:48:30,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [6515] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [6518] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6520] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [6525] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [6528] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [6530] [2024-12-02 15:48:30,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [6535] [2024-12-02 15:48:30,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [6538] [2024-12-02 15:48:30,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [6540] [2024-12-02 15:48:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6699] [2024-12-02 15:48:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6707] [2024-12-02 15:48:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6714] [2024-12-02 15:48:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr))); [6721] [2024-12-02 15:48:30,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [6728] [2024-12-02 15:48:30,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6807] [2024-12-02 15:48:30,263 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/linux/mm.h"), "i" (488), "i" (12UL)); [6852-6853] [2024-12-02 15:48:30,269 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)); [7003-7004] [2024-12-02 15:48:30,271 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)); [7037-7038] [2024-12-02 15:48:30,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [7078-7079] [2024-12-02 15:48:30,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [7107-7108] [2024-12-02 15:48:30,285 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/linux/netdevice.h"), "i" (502), "i" (12UL)); [7600-7601] [2024-12-02 15:48:30,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7607] [2024-12-02 15:48:30,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7880] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7883] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7886] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7889] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7920] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7923] [2024-12-02 15:48:30,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7926] [2024-12-02 15:48:30,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7929] [2024-12-02 15:48:30,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7960] [2024-12-02 15:48:30,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7963] [2024-12-02 15:48:30,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7966] [2024-12-02 15:48:30,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7969] [2024-12-02 15:48:30,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [8000] [2024-12-02 15:48:30,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8003] [2024-12-02 15:48:30,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8006] [2024-12-02 15:48:30,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8009] [2024-12-02 15:48:30,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [8099] [2024-12-02 15:48:30,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8102] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8105] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8108] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [8139] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8142] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8145] [2024-12-02 15:48:30,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8148] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [8179] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8182] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8185] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8188] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [8219] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8222] [2024-12-02 15:48:30,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8225] [2024-12-02 15:48:30,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8228] [2024-12-02 15:48:30,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8704] [2024-12-02 15:48:30,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8713] [2024-12-02 15:48:30,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8871] [2024-12-02 15:48:30,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9012] [2024-12-02 15:48:30,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9193] [2024-12-02 15:48:30,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9208] [2024-12-02 15:48:30,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [9210] [2024-12-02 15:48:30,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9716] [2024-12-02 15:48:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [9757] [2024-12-02 15:48:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [9760] [2024-12-02 15:48:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [9763] [2024-12-02 15:48:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [9766] [2024-12-02 15:48:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [9797] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [9800] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [9803] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [9806] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [9837] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [9840] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [9843] [2024-12-02 15:48:30,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [9846] [2024-12-02 15:48:30,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [9877] [2024-12-02 15:48:30,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [9880] [2024-12-02 15:48:30,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [9883] [2024-12-02 15:48:30,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [9886] [2024-12-02 15:48:30,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [9921] [2024-12-02 15:48:30,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10035] [2024-12-02 15:48:30,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10037] [2024-12-02 15:48:30,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10040] [2024-12-02 15:48:30,396 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)va) [10202] [2024-12-02 15:48:30,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10363] [2024-12-02 15:48:30,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10364] [2024-12-02 15:48:30,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [10647] [2024-12-02 15:48:30,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [10684] [2024-12-02 15:48:30,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12397] [2024-12-02 15:48:30,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12485] [2024-12-02 15:48:30,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12508] [2024-12-02 15:48:30,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12518] [2024-12-02 15:48:30,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12537] [2024-12-02 15:48:30,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12545] [2024-12-02 15:48:30,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [12889] [2024-12-02 15:48:30,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12890] [2024-12-02 15:48:30,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/myricom/myri10ge/myri10ge.c"), "i" (3414), "i" (12UL)); [13427-13428] [2024-12-02 15:48:30,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/myricom/myri10ge/myri10ge.c"), "i" (3422), "i" (12UL)); [13455-13456] [2024-12-02 15:48:30,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491154,491167] [2024-12-02 15:48:30,608 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491323,491336] [2024-12-02 15:48:30,609 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491490,491503] [2024-12-02 15:48:30,609 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i[491658,491671] [2024-12-02 15:48:30,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:48:30,872 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:48:30,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30 WrapperNode [2024-12-02 15:48:30,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:48:30,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:48:30,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:48:30,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:48:30,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:30,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:31,296 INFO L138 Inliner]: procedures = 656, calls = 5575, calls flagged for inlining = 329, calls inlined = 309, statements flattened = 12566 [2024-12-02 15:48:31,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:48:31,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:48:31,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:48:31,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:48:31,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:31,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:31,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,678 INFO L175 MemorySlicer]: Split 3764 memory accesses to 41 slices as follows [2, 3, 13, 2, 2, 23, 73, 1, 5, 3, 3430, 5, 17, 7, 12, 4, 8, 7, 2, 2, 5, 4, 8, 4, 4, 8, 7, 5, 2, 8, 8, 1, 2, 3, 16, 24, 14, 7, 1, 11, 1]. 91 percent of accesses are in the largest equivalence class. The 2025 initializations are split as follows [0, 0, 13, 0, 0, 0, 0, 1, 5, 0, 1931, 5, 0, 0, 0, 0, 0, 0, 0, 0, 5, 4, 8, 4, 4, 0, 7, 5, 0, 8, 8, 1, 2, 0, 0, 1, 0, 5, 0, 8, 0]. The 671 writes are split as follows [1, 2, 0, 1, 1, 6, 47, 0, 0, 2, 560, 0, 0, 2, 8, 0, 3, 6, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 2, 0, 18, 7, 0, 0, 0, 1]. [2024-12-02 15:48:33,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:33,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:34,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:48:34,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:48:34,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:48:34,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:48:34,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (1/1) ... [2024-12-02 15:48:34,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:48:34,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:48:34,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:48:34,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_request_irq [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_request_irq [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-12-02 15:48:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:48:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_sw_tso [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_sw_tso [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_clean_rx_done [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_clean_rx_done [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 15:48:34,109 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 15:48:34,109 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_myri10ge_slice_state [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_myri10ge_slice_state [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_free_rings [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_free_rings [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-12-02 15:48:34,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2024-12-02 15:48:34,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_change_pause [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_change_pause [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 15:48:34,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:48:34,111 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_close [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_close [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_update_dca [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_update_dca [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_teardown_dca [2024-12-02 15:48:34,112 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_teardown_dca [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:48:34,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 15:48:34,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#33 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#34 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#35 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#36 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#37 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#38 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#39 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#40 [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2024-12-02 15:48:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2024-12-02 15:48:34,114 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:48:34,114 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2024-12-02 15:48:34,115 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:48:34,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#33 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#34 [2024-12-02 15:48:34,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#35 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#36 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#37 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#38 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#39 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#40 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:48:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 15:48:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_update_mac_address [2024-12-02 15:48:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_update_mac_address [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2024-12-02 15:48:34,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:48:34,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:48:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#33 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#34 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#35 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#36 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#37 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#38 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#39 [2024-12-02 15:48:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#40 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:48:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2024-12-02 15:48:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2024-12-02 15:48:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_alloc_rx_pages [2024-12-02 15:48:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_alloc_rx_pages [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:48:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-12-02 15:48:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#33 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#34 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#35 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#36 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#37 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#38 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#39 [2024-12-02 15:48:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#40 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:48:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 15:48:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#33 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#34 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#35 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#36 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#37 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#38 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#39 [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#40 [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_get_stats [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_get_stats [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_set_multicast_list [2024-12-02 15:48:34,124 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_set_multicast_list [2024-12-02 15:48:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_check_slice [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_check_slice [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_pcie_type [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_pcie_type [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:48:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:48:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-12-02 15:48:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#33 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#34 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#35 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#36 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#37 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#38 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#39 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#40 [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_myri10ge_slice_state [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_myri10ge_slice_state [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_led [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_led [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_toggle_relaxed [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_toggle_relaxed [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 15:48:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:48:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_send_cmd [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_send_cmd [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure mtrr_del [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mtrr_del [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_fw_name [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fw_name [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure put_be32 [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure put_be32 [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 15:48:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:48:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 15:48:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#33 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#34 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#35 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#36 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#37 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#38 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#39 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#40 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:48:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#33 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#34 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#35 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#36 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#37 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#38 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#39 [2024-12-02 15:48:34,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#40 [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_remove [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_remove [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso_v6 [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso_v6 [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_size_call_parameter [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-12-02 15:48:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-12-02 15:48:34,132 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 15:48:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_free_slices [2024-12-02 15:48:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_free_slices [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:48:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_unmap_rx_page [2024-12-02 15:48:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_unmap_rx_page [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_ss_lock_napi [2024-12-02 15:48:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_ss_lock_napi [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:48:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#33 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#34 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#35 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#36 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#37 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#38 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#39 [2024-12-02 15:48:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#40 [2024-12-02 15:48:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:48:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 15:48:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#33 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#34 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#35 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#36 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#37 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#38 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#39 [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#40 [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_dummy_rdma [2024-12-02 15:48:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_dummy_rdma [2024-12-02 15:48:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-12-02 15:48:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 15:48:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-12-02 15:48:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 15:48:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:48:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#33 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#34 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#35 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#36 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#37 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#38 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#39 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#40 [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_busy_poll [2024-12-02 15:48:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_busy_poll [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2024-12-02 15:48:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2024-12-02 15:48:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2024-12-02 15:48:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 15:48:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#31 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#32 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#33 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#34 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#35 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#36 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#37 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#38 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#39 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#40 [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:48:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 15:48:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 15:48:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 15:48:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 15:48:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_reset [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_reset [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_load_firmware [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_load_firmware [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure __iowrite64_copy [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __iowrite64_copy [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_open [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_open [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2024-12-02 15:48:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_setup_dca [2024-12-02 15:48:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_setup_dca [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_validate_firmware [2024-12-02 15:48:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_validate_firmware [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:48:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#33 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#34 [2024-12-02 15:48:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#35 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#36 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#37 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#38 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#39 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#40 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_xmit [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_xmit [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_dma_test [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_dma_test [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_get_firmware_capabilities [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_get_firmware_capabilities [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2024-12-02 15:48:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_resume [2024-12-02 15:48:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_resume [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_ext_capability [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_ext_capability [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure myri10ge_free_irq [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure myri10ge_free_irq [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:48:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:48:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-02 15:48:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#33 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#34 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#35 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#36 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#37 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#38 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#39 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#40 [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2024-12-02 15:48:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2024-12-02 15:48:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:48:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:48:35,628 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:48:35,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:48:58,367 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:49:12,800 INFO L? ?]: Removed 5223 outVars from TransFormulas that were not future-live. [2024-12-02 15:49:12,800 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:49:12,849 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:49:12,849 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-02 15:49:12,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:12 BoogieIcfgContainer [2024-12-02 15:49:12,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:49:12,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:49:12,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:49:12,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:49:12,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:48:25" (1/3) ... [2024-12-02 15:49:12,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eb39db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:12, skipping insertion in model container [2024-12-02 15:49:12,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:48:30" (2/3) ... [2024-12-02 15:49:12,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eb39db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:12, skipping insertion in model container [2024-12-02 15:49:12,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:12" (3/3) ... [2024-12-02 15:49:12,859 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i [2024-12-02 15:49:12,874 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:49:12,877 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-myricom-myri10ge-myri10ge.cil.i that has 246 procedures, 3871 locations, 1 initial locations, 126 loop locations, and 4 error locations. [2024-12-02 15:49:12,995 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:49:13,006 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;@1282c7e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:49:13,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 15:49:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 3518 states, 2535 states have (on average 1.3155818540433926) internal successors, (3335), 2606 states have internal predecessors, (3335), 813 states have call successors, (813), 167 states have call predecessors, (813), 166 states have return successors, (809), 800 states have call predecessors, (809), 809 states have call successors, (809) [2024-12-02 15:49:13,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 15:49:13,028 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:13,029 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:13,029 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:13,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:13,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1974439941, now seen corresponding path program 1 times [2024-12-02 15:49:13,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:13,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216922951] [2024-12-02 15:49:13,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:13,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 15:49:20,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:20,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216922951] [2024-12-02 15:49:20,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216922951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:20,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:20,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:20,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535236872] [2024-12-02 15:49:20,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:20,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:20,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:20,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:20,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:20,488 INFO L87 Difference]: Start difference. First operand has 3518 states, 2535 states have (on average 1.3155818540433926) internal successors, (3335), 2606 states have internal predecessors, (3335), 813 states have call successors, (813), 167 states have call predecessors, (813), 166 states have return successors, (809), 800 states have call predecessors, (809), 809 states have call successors, (809) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:49:21,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:21,554 INFO L93 Difference]: Finished difference Result 10261 states and 14643 transitions. [2024-12-02 15:49:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:21,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 90 [2024-12-02 15:49:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:21,615 INFO L225 Difference]: With dead ends: 10261 [2024-12-02 15:49:21,615 INFO L226 Difference]: Without dead ends: 6776 [2024-12-02 15:49:21,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:21,645 INFO L435 NwaCegarLoop]: 4730 mSDtfsCounter, 4706 mSDsluCounter, 14078 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4707 SdHoareTripleChecker+Valid, 18808 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:21,646 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4707 Valid, 18808 Invalid, 65 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:49:21,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2024-12-02 15:49:21,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6766. [2024-12-02 15:49:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6766 states, 4872 states have (on average 1.2777093596059113) internal successors, (6225), 4973 states have internal predecessors, (6225), 1564 states have call successors, (1564), 329 states have call predecessors, (1564), 326 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 9379 transitions. [2024-12-02 15:49:22,034 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 9379 transitions. Word has length 90 [2024-12-02 15:49:22,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:22,035 INFO L471 AbstractCegarLoop]: Abstraction has 6766 states and 9379 transitions. [2024-12-02 15:49:22,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:49:22,035 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 9379 transitions. [2024-12-02 15:49:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 15:49:22,038 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:22,039 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2024-12-02 15:49:22,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:49:22,039 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:22,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:22,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1869116111, now seen corresponding path program 1 times [2024-12-02 15:49:22,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:22,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743560810] [2024-12-02 15:49:22,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:22,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-02 15:49:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743560810] [2024-12-02 15:49:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743560810] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:28,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:28,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638376346] [2024-12-02 15:49:28,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:28,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:28,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:28,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:28,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:28,950 INFO L87 Difference]: Start difference. First operand 6766 states and 9379 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:49:29,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:29,444 INFO L93 Difference]: Finished difference Result 6776 states and 9388 transitions. [2024-12-02 15:49:29,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:29,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 95 [2024-12-02 15:49:29,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:29,484 INFO L225 Difference]: With dead ends: 6776 [2024-12-02 15:49:29,484 INFO L226 Difference]: Without dead ends: 6774 [2024-12-02 15:49:29,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:29,490 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4679 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4680 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:29,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4680 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:49:29,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6774 states. [2024-12-02 15:49:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6774 to 6774. [2024-12-02 15:49:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6774 states, 4878 states have (on average 1.2773677736777367) internal successors, (6231), 4979 states have internal predecessors, (6231), 1564 states have call successors, (1564), 331 states have call predecessors, (1564), 328 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6774 states to 6774 states and 9385 transitions. [2024-12-02 15:49:29,798 INFO L78 Accepts]: Start accepts. Automaton has 6774 states and 9385 transitions. Word has length 95 [2024-12-02 15:49:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:29,799 INFO L471 AbstractCegarLoop]: Abstraction has 6774 states and 9385 transitions. [2024-12-02 15:49:29,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:49:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 6774 states and 9385 transitions. [2024-12-02 15:49:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 15:49:29,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:29,801 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 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] [2024-12-02 15:49:29,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:49:29,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:29,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 861406021, now seen corresponding path program 1 times [2024-12-02 15:49:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:29,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747700505] [2024-12-02 15:49:29,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-02 15:49:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747700505] [2024-12-02 15:49:36,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747700505] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:36,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:36,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:36,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202900795] [2024-12-02 15:49:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:36,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:36,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:36,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:36,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:36,014 INFO L87 Difference]: Start difference. First operand 6774 states and 9385 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:49:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:36,630 INFO L93 Difference]: Finished difference Result 6784 states and 9394 transitions. [2024-12-02 15:49:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:36,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2024-12-02 15:49:36,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:36,686 INFO L225 Difference]: With dead ends: 6784 [2024-12-02 15:49:36,687 INFO L226 Difference]: Without dead ends: 6782 [2024-12-02 15:49:36,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:36,693 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4678 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4679 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:36,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4679 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:49:36,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6782 states. [2024-12-02 15:49:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6782. [2024-12-02 15:49:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 4884 states have (on average 1.277027027027027) internal successors, (6237), 4985 states have internal predecessors, (6237), 1564 states have call successors, (1564), 333 states have call predecessors, (1564), 330 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 9391 transitions. [2024-12-02 15:49:37,059 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 9391 transitions. Word has length 100 [2024-12-02 15:49:37,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:37,059 INFO L471 AbstractCegarLoop]: Abstraction has 6782 states and 9391 transitions. [2024-12-02 15:49:37,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:49:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 9391 transitions. [2024-12-02 15:49:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 15:49:37,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:37,062 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:37,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:49:37,062 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:37,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash -961588879, now seen corresponding path program 1 times [2024-12-02 15:49:37,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:37,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35001961] [2024-12-02 15:49:37,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:37,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-02 15:49:43,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:43,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35001961] [2024-12-02 15:49:43,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35001961] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:43,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:43,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:43,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307911675] [2024-12-02 15:49:43,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:43,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:43,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:43,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:43,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:43,112 INFO L87 Difference]: Start difference. First operand 6782 states and 9391 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:49:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:43,556 INFO L93 Difference]: Finished difference Result 6792 states and 9400 transitions. [2024-12-02 15:49:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:43,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 105 [2024-12-02 15:49:43,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:43,597 INFO L225 Difference]: With dead ends: 6792 [2024-12-02 15:49:43,597 INFO L226 Difference]: Without dead ends: 6790 [2024-12-02 15:49:43,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:43,603 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4677 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:43,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:49:43,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2024-12-02 15:49:43,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 6790. [2024-12-02 15:49:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4890 states have (on average 1.2766871165644171) internal successors, (6243), 4991 states have internal predecessors, (6243), 1564 states have call successors, (1564), 335 states have call predecessors, (1564), 332 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:43,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9397 transitions. [2024-12-02 15:49:43,876 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9397 transitions. Word has length 105 [2024-12-02 15:49:43,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:43,876 INFO L471 AbstractCegarLoop]: Abstraction has 6790 states and 9397 transitions. [2024-12-02 15:49:43,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:49:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9397 transitions. [2024-12-02 15:49:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:49:43,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:43,878 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:43,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:49:43,879 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:43,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:43,879 INFO L85 PathProgramCache]: Analyzing trace with hash 384505477, now seen corresponding path program 1 times [2024-12-02 15:49:43,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:43,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850015349] [2024-12-02 15:49:43,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-12-02 15:49:49,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:49,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850015349] [2024-12-02 15:49:49,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850015349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:49,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:49,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:49,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858311249] [2024-12-02 15:49:49,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:49,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:49,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:49,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:49,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:49,598 INFO L87 Difference]: Start difference. First operand 6790 states and 9397 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:49:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:50,010 INFO L93 Difference]: Finished difference Result 6800 states and 9406 transitions. [2024-12-02 15:49:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:50,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 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 110 [2024-12-02 15:49:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:50,042 INFO L225 Difference]: With dead ends: 6800 [2024-12-02 15:49:50,043 INFO L226 Difference]: Without dead ends: 6798 [2024-12-02 15:49:50,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:50,048 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4676 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4677 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:50,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4677 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:49:50,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6798 states. [2024-12-02 15:49:50,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6798 to 6798. [2024-12-02 15:49:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6798 states, 4896 states have (on average 1.2763480392156863) internal successors, (6249), 4997 states have internal predecessors, (6249), 1564 states have call successors, (1564), 337 states have call predecessors, (1564), 334 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6798 states to 6798 states and 9403 transitions. [2024-12-02 15:49:50,283 INFO L78 Accepts]: Start accepts. Automaton has 6798 states and 9403 transitions. Word has length 110 [2024-12-02 15:49:50,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:50,284 INFO L471 AbstractCegarLoop]: Abstraction has 6798 states and 9403 transitions. [2024-12-02 15:49:50,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:49:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 6798 states and 9403 transitions. [2024-12-02 15:49:50,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 15:49:50,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:50,285 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:50,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:49:50,285 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:50,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:50,286 INFO L85 PathProgramCache]: Analyzing trace with hash 8418737, now seen corresponding path program 1 times [2024-12-02 15:49:50,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:50,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090387273] [2024-12-02 15:49:50,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:50,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-12-02 15:49:55,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:55,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090387273] [2024-12-02 15:49:55,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090387273] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:55,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:55,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:55,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629929438] [2024-12-02 15:49:55,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:55,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:55,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:55,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:55,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:55,899 INFO L87 Difference]: Start difference. First operand 6798 states and 9403 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:49:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:56,323 INFO L93 Difference]: Finished difference Result 6808 states and 9412 transitions. [2024-12-02 15:49:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:56,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2024-12-02 15:49:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:56,353 INFO L225 Difference]: With dead ends: 6808 [2024-12-02 15:49:56,353 INFO L226 Difference]: Without dead ends: 6806 [2024-12-02 15:49:56,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:56,358 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4675 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:56,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4676 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:49:56,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6806 states. [2024-12-02 15:49:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6806 to 6806. [2024-12-02 15:49:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6806 states, 4902 states have (on average 1.2760097919216646) internal successors, (6255), 5003 states have internal predecessors, (6255), 1564 states have call successors, (1564), 339 states have call predecessors, (1564), 336 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:49:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 9409 transitions. [2024-12-02 15:49:56,669 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 9409 transitions. Word has length 115 [2024-12-02 15:49:56,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:56,670 INFO L471 AbstractCegarLoop]: Abstraction has 6806 states and 9409 transitions. [2024-12-02 15:49:56,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:49:56,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 9409 transitions. [2024-12-02 15:49:56,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 15:49:56,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:56,671 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:56,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:49:56,672 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:49:56,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:56,672 INFO L85 PathProgramCache]: Analyzing trace with hash 866175429, now seen corresponding path program 1 times [2024-12-02 15:49:56,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:56,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239096938] [2024-12-02 15:49:56,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:56,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-12-02 15:50:02,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:02,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239096938] [2024-12-02 15:50:02,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239096938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:02,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:02,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:02,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556878741] [2024-12-02 15:50:02,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:02,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:02,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:02,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:02,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:02,351 INFO L87 Difference]: Start difference. First operand 6806 states and 9409 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:50:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:02,869 INFO L93 Difference]: Finished difference Result 6850 states and 9444 transitions. [2024-12-02 15:50:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2024-12-02 15:50:02,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:02,907 INFO L225 Difference]: With dead ends: 6850 [2024-12-02 15:50:02,907 INFO L226 Difference]: Without dead ends: 6848 [2024-12-02 15:50:02,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:02,914 INFO L435 NwaCegarLoop]: 4722 mSDtfsCounter, 4606 mSDsluCounter, 9498 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4607 SdHoareTripleChecker+Valid, 14220 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:02,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4607 Valid, 14220 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:50:02,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6848 states. [2024-12-02 15:50:03,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6848 to 6846. [2024-12-02 15:50:03,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6846 states, 4931 states have (on average 1.2747921314135064) internal successors, (6286), 5032 states have internal predecessors, (6286), 1564 states have call successors, (1564), 350 states have call predecessors, (1564), 347 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:03,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6846 states to 6846 states and 9440 transitions. [2024-12-02 15:50:03,318 INFO L78 Accepts]: Start accepts. Automaton has 6846 states and 9440 transitions. Word has length 120 [2024-12-02 15:50:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:03,318 INFO L471 AbstractCegarLoop]: Abstraction has 6846 states and 9440 transitions. [2024-12-02 15:50:03,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:50:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6846 states and 9440 transitions. [2024-12-02 15:50:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-02 15:50:03,320 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:03,320 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:03,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:50:03,320 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:03,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1842543089, now seen corresponding path program 1 times [2024-12-02 15:50:03,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:03,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641982705] [2024-12-02 15:50:03,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:03,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-02 15:50:09,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:09,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641982705] [2024-12-02 15:50:09,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641982705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:09,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:09,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:09,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954193716] [2024-12-02 15:50:09,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:09,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:09,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:09,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:09,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:09,292 INFO L87 Difference]: Start difference. First operand 6846 states and 9440 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:50:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:09,727 INFO L93 Difference]: Finished difference Result 6856 states and 9449 transitions. [2024-12-02 15:50:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:09,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 125 [2024-12-02 15:50:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:09,754 INFO L225 Difference]: With dead ends: 6856 [2024-12-02 15:50:09,754 INFO L226 Difference]: Without dead ends: 6854 [2024-12-02 15:50:09,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:09,759 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4673 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4674 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:09,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4674 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6854 states. [2024-12-02 15:50:10,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6854 to 6854. [2024-12-02 15:50:10,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6854 states, 4937 states have (on average 1.2744581729795423) internal successors, (6292), 5038 states have internal predecessors, (6292), 1564 states have call successors, (1564), 352 states have call predecessors, (1564), 349 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6854 states to 6854 states and 9446 transitions. [2024-12-02 15:50:10,101 INFO L78 Accepts]: Start accepts. Automaton has 6854 states and 9446 transitions. Word has length 125 [2024-12-02 15:50:10,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:10,102 INFO L471 AbstractCegarLoop]: Abstraction has 6854 states and 9446 transitions. [2024-12-02 15:50:10,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:50:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6854 states and 9446 transitions. [2024-12-02 15:50:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 15:50:10,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:10,104 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:10,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:50:10,104 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:10,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:10,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1812099469, now seen corresponding path program 1 times [2024-12-02 15:50:10,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:10,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095428684] [2024-12-02 15:50:10,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:10,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-12-02 15:50:15,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095428684] [2024-12-02 15:50:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095428684] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:15,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:15,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407138655] [2024-12-02 15:50:15,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:15,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:15,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:15,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:15,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:15,805 INFO L87 Difference]: Start difference. First operand 6854 states and 9446 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:50:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:16,251 INFO L93 Difference]: Finished difference Result 6864 states and 9455 transitions. [2024-12-02 15:50:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2024-12-02 15:50:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:16,291 INFO L225 Difference]: With dead ends: 6864 [2024-12-02 15:50:16,292 INFO L226 Difference]: Without dead ends: 6862 [2024-12-02 15:50:16,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:16,298 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4661 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:16,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:16,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2024-12-02 15:50:16,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 6862. [2024-12-02 15:50:16,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 4943 states have (on average 1.2741250252882865) internal successors, (6298), 5044 states have internal predecessors, (6298), 1564 states have call successors, (1564), 354 states have call predecessors, (1564), 351 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9452 transitions. [2024-12-02 15:50:16,763 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9452 transitions. Word has length 141 [2024-12-02 15:50:16,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:16,764 INFO L471 AbstractCegarLoop]: Abstraction has 6862 states and 9452 transitions. [2024-12-02 15:50:16,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:50:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9452 transitions. [2024-12-02 15:50:16,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:50:16,766 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:16,766 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 9, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:16,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:50:16,766 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:16,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:16,767 INFO L85 PathProgramCache]: Analyzing trace with hash 611245617, now seen corresponding path program 1 times [2024-12-02 15:50:16,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:16,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976523795] [2024-12-02 15:50:16,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-12-02 15:50:22,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:22,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976523795] [2024-12-02 15:50:22,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976523795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:22,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:22,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:22,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186007207] [2024-12-02 15:50:22,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:22,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:22,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:22,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:22,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:22,419 INFO L87 Difference]: Start difference. First operand 6862 states and 9452 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:22,912 INFO L93 Difference]: Finished difference Result 6872 states and 9461 transitions. [2024-12-02 15:50:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:22,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2024-12-02 15:50:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:22,934 INFO L225 Difference]: With dead ends: 6872 [2024-12-02 15:50:22,934 INFO L226 Difference]: Without dead ends: 6870 [2024-12-02 15:50:22,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:22,938 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4671 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4672 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:22,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4672 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6870 states. [2024-12-02 15:50:23,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6870 to 6870. [2024-12-02 15:50:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6870 states, 4949 states have (on average 1.273792685390988) internal successors, (6304), 5050 states have internal predecessors, (6304), 1564 states have call successors, (1564), 356 states have call predecessors, (1564), 353 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6870 states to 6870 states and 9458 transitions. [2024-12-02 15:50:23,219 INFO L78 Accepts]: Start accepts. Automaton has 6870 states and 9458 transitions. Word has length 135 [2024-12-02 15:50:23,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:23,219 INFO L471 AbstractCegarLoop]: Abstraction has 6870 states and 9458 transitions. [2024-12-02 15:50:23,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:50:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 6870 states and 9458 transitions. [2024-12-02 15:50:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 15:50:23,221 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:23,221 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:23,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:50:23,221 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:23,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:23,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1487663035, now seen corresponding path program 1 times [2024-12-02 15:50:23,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:23,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757094869] [2024-12-02 15:50:23,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:28,915 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-12-02 15:50:28,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:28,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757094869] [2024-12-02 15:50:28,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757094869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:28,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:28,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:28,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488681323] [2024-12-02 15:50:28,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:28,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:28,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:28,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:28,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:28,917 INFO L87 Difference]: Start difference. First operand 6870 states and 9458 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:50:29,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:29,401 INFO L93 Difference]: Finished difference Result 6880 states and 9467 transitions. [2024-12-02 15:50:29,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:29,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-12-02 15:50:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:29,424 INFO L225 Difference]: With dead ends: 6880 [2024-12-02 15:50:29,424 INFO L226 Difference]: Without dead ends: 6878 [2024-12-02 15:50:29,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:29,429 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4670 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4671 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:29,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4671 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6878 states. [2024-12-02 15:50:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6878 to 6878. [2024-12-02 15:50:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6878 states, 4955 states have (on average 1.2734611503531785) internal successors, (6310), 5056 states have internal predecessors, (6310), 1564 states have call successors, (1564), 358 states have call predecessors, (1564), 355 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6878 states to 6878 states and 9464 transitions. [2024-12-02 15:50:29,801 INFO L78 Accepts]: Start accepts. Automaton has 6878 states and 9464 transitions. Word has length 140 [2024-12-02 15:50:29,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:29,801 INFO L471 AbstractCegarLoop]: Abstraction has 6878 states and 9464 transitions. [2024-12-02 15:50:29,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:50:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 6878 states and 9464 transitions. [2024-12-02 15:50:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 15:50:29,804 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:29,804 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:29,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:50:29,804 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:29,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:29,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1895181545, now seen corresponding path program 1 times [2024-12-02 15:50:29,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:29,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457515154] [2024-12-02 15:50:29,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-12-02 15:50:35,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:35,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457515154] [2024-12-02 15:50:35,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457515154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:35,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:35,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:35,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758261813] [2024-12-02 15:50:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:35,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:35,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:35,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:35,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:35,515 INFO L87 Difference]: Start difference. First operand 6878 states and 9464 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:50:36,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:36,017 INFO L93 Difference]: Finished difference Result 6888 states and 9473 transitions. [2024-12-02 15:50:36,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:36,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2024-12-02 15:50:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:36,039 INFO L225 Difference]: With dead ends: 6888 [2024-12-02 15:50:36,039 INFO L226 Difference]: Without dead ends: 6886 [2024-12-02 15:50:36,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:36,044 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4658 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4659 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:36,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4659 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6886 states. [2024-12-02 15:50:36,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6886 to 6886. [2024-12-02 15:50:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6886 states, 4961 states have (on average 1.2731304172545859) internal successors, (6316), 5062 states have internal predecessors, (6316), 1564 states have call successors, (1564), 360 states have call predecessors, (1564), 357 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:36,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6886 states to 6886 states and 9470 transitions. [2024-12-02 15:50:36,348 INFO L78 Accepts]: Start accepts. Automaton has 6886 states and 9470 transitions. Word has length 156 [2024-12-02 15:50:36,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:36,348 INFO L471 AbstractCegarLoop]: Abstraction has 6886 states and 9470 transitions. [2024-12-02 15:50:36,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:50:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6886 states and 9470 transitions. [2024-12-02 15:50:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 15:50:36,350 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:36,350 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:36,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:50:36,350 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:36,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:36,351 INFO L85 PathProgramCache]: Analyzing trace with hash -423517307, now seen corresponding path program 1 times [2024-12-02 15:50:36,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:36,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288104399] [2024-12-02 15:50:36,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:36,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2024-12-02 15:50:41,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:41,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288104399] [2024-12-02 15:50:41,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288104399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:41,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:41,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:41,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588389169] [2024-12-02 15:50:41,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:41,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:41,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:41,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:41,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:41,979 INFO L87 Difference]: Start difference. First operand 6886 states and 9470 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:50:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:42,525 INFO L93 Difference]: Finished difference Result 6896 states and 9479 transitions. [2024-12-02 15:50:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:42,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 150 [2024-12-02 15:50:42,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:42,547 INFO L225 Difference]: With dead ends: 6896 [2024-12-02 15:50:42,547 INFO L226 Difference]: Without dead ends: 6894 [2024-12-02 15:50:42,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:42,551 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4668 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4669 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:42,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4669 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:50:42,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2024-12-02 15:50:42,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 6894. [2024-12-02 15:50:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6894 states, 4967 states have (on average 1.2728004831890478) internal successors, (6322), 5068 states have internal predecessors, (6322), 1564 states have call successors, (1564), 362 states have call predecessors, (1564), 359 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6894 states to 6894 states and 9476 transitions. [2024-12-02 15:50:42,871 INFO L78 Accepts]: Start accepts. Automaton has 6894 states and 9476 transitions. Word has length 150 [2024-12-02 15:50:42,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:42,871 INFO L471 AbstractCegarLoop]: Abstraction has 6894 states and 9476 transitions. [2024-12-02 15:50:42,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:50:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6894 states and 9476 transitions. [2024-12-02 15:50:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-12-02 15:50:42,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:42,873 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:42,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:50:42,874 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:42,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1117963953, now seen corresponding path program 1 times [2024-12-02 15:50:42,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:42,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000999130] [2024-12-02 15:50:42,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-12-02 15:50:48,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:48,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000999130] [2024-12-02 15:50:48,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000999130] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:48,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:48,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:48,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460720736] [2024-12-02 15:50:48,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:48,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:48,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:48,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:48,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:48,546 INFO L87 Difference]: Start difference. First operand 6894 states and 9476 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:50:49,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:49,162 INFO L93 Difference]: Finished difference Result 6904 states and 9485 transitions. [2024-12-02 15:50:49,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:49,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2024-12-02 15:50:49,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:49,189 INFO L225 Difference]: With dead ends: 6904 [2024-12-02 15:50:49,189 INFO L226 Difference]: Without dead ends: 6900 [2024-12-02 15:50:49,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:49,194 INFO L435 NwaCegarLoop]: 4716 mSDtfsCounter, 4667 mSDsluCounter, 9411 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4668 SdHoareTripleChecker+Valid, 14127 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:49,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4668 Valid, 14127 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:49,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2024-12-02 15:50:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6900. [2024-12-02 15:50:49,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6900 states, 4972 states have (on average 1.2723250201126308) internal successors, (6326), 5072 states have internal predecessors, (6326), 1564 states have call successors, (1564), 364 states have call predecessors, (1564), 360 states have return successors, (1590), 1538 states have call predecessors, (1590), 1558 states have call successors, (1590) [2024-12-02 15:50:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6900 states to 6900 states and 9480 transitions. [2024-12-02 15:50:49,531 INFO L78 Accepts]: Start accepts. Automaton has 6900 states and 9480 transitions. Word has length 155 [2024-12-02 15:50:49,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:49,531 INFO L471 AbstractCegarLoop]: Abstraction has 6900 states and 9480 transitions. [2024-12-02 15:50:49,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:50:49,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6900 states and 9480 transitions. [2024-12-02 15:50:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 15:50:49,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:49,533 INFO L218 NwaCegarLoop]: trace histogram [15, 14, 14, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:49,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:50:49,533 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:49,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash 808572613, now seen corresponding path program 1 times [2024-12-02 15:50:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445508432] [2024-12-02 15:50:49,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-12-02 15:50:55,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:55,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445508432] [2024-12-02 15:50:55,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445508432] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:55,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:55,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:50:55,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683687259] [2024-12-02 15:50:55,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:55,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:50:55,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:55,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:50:55,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:50:55,158 INFO L87 Difference]: Start difference. First operand 6900 states and 9480 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:50:55,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:55,708 INFO L93 Difference]: Finished difference Result 6906 states and 9485 transitions. [2024-12-02 15:50:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:55,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-12-02 15:50:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:55,731 INFO L225 Difference]: With dead ends: 6906 [2024-12-02 15:50:55,731 INFO L226 Difference]: Without dead ends: 6727 [2024-12-02 15:50:55,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:55,736 INFO L435 NwaCegarLoop]: 4717 mSDtfsCounter, 4667 mSDsluCounter, 9413 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4667 SdHoareTripleChecker+Valid, 14130 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:55,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4667 Valid, 14130 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:55,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6727 states. [2024-12-02 15:50:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6727 to 6727. [2024-12-02 15:50:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6727 states, 4865 states have (on average 1.2774922918807812) internal successors, (6215), 4963 states have internal predecessors, (6215), 1526 states have call successors, (1526), 335 states have call predecessors, (1526), 332 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:50:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6727 states to 6727 states and 9296 transitions. [2024-12-02 15:50:56,119 INFO L78 Accepts]: Start accepts. Automaton has 6727 states and 9296 transitions. Word has length 160 [2024-12-02 15:50:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:56,119 INFO L471 AbstractCegarLoop]: Abstraction has 6727 states and 9296 transitions. [2024-12-02 15:50:56,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:50:56,119 INFO L276 IsEmpty]: Start isEmpty. Operand 6727 states and 9296 transitions. [2024-12-02 15:50:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 15:50:56,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:56,122 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:56,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:50:56,122 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:50:56,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:56,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1552927902, now seen corresponding path program 1 times [2024-12-02 15:50:56,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:56,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411980059] [2024-12-02 15:50:56,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:56,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2024-12-02 15:51:02,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:02,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411980059] [2024-12-02 15:51:02,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411980059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:02,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:02,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:02,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554532078] [2024-12-02 15:51:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:02,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:02,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:02,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:02,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:02,380 INFO L87 Difference]: Start difference. First operand 6727 states and 9296 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:51:02,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:02,918 INFO L93 Difference]: Finished difference Result 6739 states and 9306 transitions. [2024-12-02 15:51:02,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:02,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 245 [2024-12-02 15:51:02,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:02,936 INFO L225 Difference]: With dead ends: 6739 [2024-12-02 15:51:02,936 INFO L226 Difference]: Without dead ends: 6737 [2024-12-02 15:51:02,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:02,939 INFO L435 NwaCegarLoop]: 4686 mSDtfsCounter, 4540 mSDsluCounter, 9446 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 14132 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:02,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4541 Valid, 14132 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:51:02,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6737 states. [2024-12-02 15:51:03,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6737 to 6735. [2024-12-02 15:51:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6735 states, 4871 states have (on average 1.277150482447136) internal successors, (6221), 4969 states have internal predecessors, (6221), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 9302 transitions. [2024-12-02 15:51:03,267 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 9302 transitions. Word has length 245 [2024-12-02 15:51:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:03,268 INFO L471 AbstractCegarLoop]: Abstraction has 6735 states and 9302 transitions. [2024-12-02 15:51:03,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:51:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 9302 transitions. [2024-12-02 15:51:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 15:51:03,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:03,271 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:03,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:51:03,271 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:03,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:03,271 INFO L85 PathProgramCache]: Analyzing trace with hash -366654970, now seen corresponding path program 1 times [2024-12-02 15:51:03,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:03,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997382399] [2024-12-02 15:51:03,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-12-02 15:51:09,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:09,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997382399] [2024-12-02 15:51:09,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997382399] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:09,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:09,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:09,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259298855] [2024-12-02 15:51:09,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:09,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:09,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:09,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:09,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:09,386 INFO L87 Difference]: Start difference. First operand 6735 states and 9302 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2024-12-02 15:51:13,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:14,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:14,141 INFO L93 Difference]: Finished difference Result 6737 states and 9303 transitions. [2024-12-02 15:51:14,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:14,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) Word has length 270 [2024-12-02 15:51:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:14,159 INFO L225 Difference]: With dead ends: 6737 [2024-12-02 15:51:14,159 INFO L226 Difference]: Without dead ends: 6735 [2024-12-02 15:51:14,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:14,162 INFO L435 NwaCegarLoop]: 4685 mSDtfsCounter, 67 mSDsluCounter, 13976 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 18661 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:14,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 18661 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 15:51:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2024-12-02 15:51:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6735. [2024-12-02 15:51:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6735 states, 4871 states have (on average 1.276739889139807) internal successors, (6219), 4969 states have internal predecessors, (6219), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 9300 transitions. [2024-12-02 15:51:14,494 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 9300 transitions. Word has length 270 [2024-12-02 15:51:14,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:14,494 INFO L471 AbstractCegarLoop]: Abstraction has 6735 states and 9300 transitions. [2024-12-02 15:51:14,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (29), 2 states have call predecessors, (29), 1 states have call successors, (29) [2024-12-02 15:51:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 9300 transitions. [2024-12-02 15:51:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 15:51:14,497 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:14,497 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:14,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:51:14,498 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:14,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:14,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1393126366, now seen corresponding path program 1 times [2024-12-02 15:51:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:14,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029388147] [2024-12-02 15:51:14,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:14,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2024-12-02 15:51:20,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:20,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029388147] [2024-12-02 15:51:20,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029388147] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:20,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:20,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:20,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089646808] [2024-12-02 15:51:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:20,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:20,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:20,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:20,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:20,577 INFO L87 Difference]: Start difference. First operand 6735 states and 9300 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:51:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:21,390 INFO L93 Difference]: Finished difference Result 6743 states and 9305 transitions. [2024-12-02 15:51:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:21,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 264 [2024-12-02 15:51:21,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:21,410 INFO L225 Difference]: With dead ends: 6743 [2024-12-02 15:51:21,410 INFO L226 Difference]: Without dead ends: 6741 [2024-12-02 15:51:21,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:21,413 INFO L435 NwaCegarLoop]: 4689 mSDtfsCounter, 4545 mSDsluCounter, 13962 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4546 SdHoareTripleChecker+Valid, 18651 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:21,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4546 Valid, 18651 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:51:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6741 states. [2024-12-02 15:51:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6741 to 6735. [2024-12-02 15:51:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6735 states, 4871 states have (on average 1.2765345924861424) internal successors, (6218), 4969 states have internal predecessors, (6218), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:21,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 9299 transitions. [2024-12-02 15:51:21,747 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 9299 transitions. Word has length 264 [2024-12-02 15:51:21,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:21,748 INFO L471 AbstractCegarLoop]: Abstraction has 6735 states and 9299 transitions. [2024-12-02 15:51:21,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:51:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 9299 transitions. [2024-12-02 15:51:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-12-02 15:51:21,753 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:21,753 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:21,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:51:21,753 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:21,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash 546265505, now seen corresponding path program 1 times [2024-12-02 15:51:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342364392] [2024-12-02 15:51:21,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 15:51:27,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:27,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342364392] [2024-12-02 15:51:27,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342364392] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:27,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:27,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:51:27,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477839468] [2024-12-02 15:51:27,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:27,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:51:27,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:27,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:51:27,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:27,649 INFO L87 Difference]: Start difference. First operand 6735 states and 9299 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:51:31,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:51:32,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:32,750 INFO L93 Difference]: Finished difference Result 6741 states and 9303 transitions. [2024-12-02 15:51:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:32,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 305 [2024-12-02 15:51:32,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:32,769 INFO L225 Difference]: With dead ends: 6741 [2024-12-02 15:51:32,769 INFO L226 Difference]: Without dead ends: 6739 [2024-12-02 15:51:32,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:51:32,773 INFO L435 NwaCegarLoop]: 9232 mSDtfsCounter, 4606 mSDsluCounter, 23086 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4607 SdHoareTripleChecker+Valid, 32318 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:32,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4607 Valid, 32318 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:51:32,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6739 states. [2024-12-02 15:51:33,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6739 to 6735. [2024-12-02 15:51:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6735 states, 4871 states have (on average 1.276329295832478) internal successors, (6217), 4969 states have internal predecessors, (6217), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 9298 transitions. [2024-12-02 15:51:33,113 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 9298 transitions. Word has length 305 [2024-12-02 15:51:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:33,113 INFO L471 AbstractCegarLoop]: Abstraction has 6735 states and 9298 transitions. [2024-12-02 15:51:33,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:51:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 9298 transitions. [2024-12-02 15:51:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 15:51:33,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:33,121 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:33,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:51:33,121 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:33,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash 265782132, now seen corresponding path program 1 times [2024-12-02 15:51:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:33,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534187780] [2024-12-02 15:51:33,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-02 15:51:38,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:38,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534187780] [2024-12-02 15:51:38,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534187780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:38,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:38,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:38,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23891610] [2024-12-02 15:51:38,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:38,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:38,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:38,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:38,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:38,554 INFO L87 Difference]: Start difference. First operand 6735 states and 9298 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:51:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:38,971 INFO L93 Difference]: Finished difference Result 13428 states and 18541 transitions. [2024-12-02 15:51:38,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:38,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 401 [2024-12-02 15:51:38,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:39,006 INFO L225 Difference]: With dead ends: 13428 [2024-12-02 15:51:39,006 INFO L226 Difference]: Without dead ends: 6737 [2024-12-02 15:51:39,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:39,031 INFO L435 NwaCegarLoop]: 4681 mSDtfsCounter, 0 mSDsluCounter, 4675 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9356 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:39,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9356 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:51:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6737 states. [2024-12-02 15:51:39,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6737 to 6737. [2024-12-02 15:51:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6737 states, 4873 states have (on average 1.2762158834393598) internal successors, (6219), 4971 states have internal predecessors, (6219), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6737 states to 6737 states and 9300 transitions. [2024-12-02 15:51:39,457 INFO L78 Accepts]: Start accepts. Automaton has 6737 states and 9300 transitions. Word has length 401 [2024-12-02 15:51:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:39,457 INFO L471 AbstractCegarLoop]: Abstraction has 6737 states and 9300 transitions. [2024-12-02 15:51:39,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:51:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 6737 states and 9300 transitions. [2024-12-02 15:51:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-12-02 15:51:39,464 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:39,464 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:39,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:51:39,464 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:39,465 INFO L85 PathProgramCache]: Analyzing trace with hash -56021121, now seen corresponding path program 1 times [2024-12-02 15:51:39,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:39,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275445200] [2024-12-02 15:51:39,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-12-02 15:51:44,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275445200] [2024-12-02 15:51:44,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275445200] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:44,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:44,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:44,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249755422] [2024-12-02 15:51:44,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:44,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:44,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:44,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:44,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:44,800 INFO L87 Difference]: Start difference. First operand 6737 states and 9300 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:51:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:45,219 INFO L93 Difference]: Finished difference Result 13434 states and 18547 transitions. [2024-12-02 15:51:45,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:51:45,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 402 [2024-12-02 15:51:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:45,244 INFO L225 Difference]: With dead ends: 13434 [2024-12-02 15:51:45,245 INFO L226 Difference]: Without dead ends: 6741 [2024-12-02 15:51:45,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:45,267 INFO L435 NwaCegarLoop]: 4681 mSDtfsCounter, 29 mSDsluCounter, 4627 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 9308 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:45,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 9308 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:51:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6741 states. [2024-12-02 15:51:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6741 to 6739. [2024-12-02 15:51:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6739 states, 4875 states have (on average 1.276102564102564) internal successors, (6221), 4973 states have internal predecessors, (6221), 1526 states have call successors, (1526), 337 states have call predecessors, (1526), 334 states have return successors, (1555), 1503 states have call predecessors, (1555), 1523 states have call successors, (1555) [2024-12-02 15:51:45,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6739 states to 6739 states and 9302 transitions. [2024-12-02 15:51:45,673 INFO L78 Accepts]: Start accepts. Automaton has 6739 states and 9302 transitions. Word has length 402 [2024-12-02 15:51:45,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:45,674 INFO L471 AbstractCegarLoop]: Abstraction has 6739 states and 9302 transitions. [2024-12-02 15:51:45,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:51:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6739 states and 9302 transitions. [2024-12-02 15:51:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 15:51:45,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:45,680 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:45,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:51:45,680 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:45,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:45,681 INFO L85 PathProgramCache]: Analyzing trace with hash 710915690, now seen corresponding path program 1 times [2024-12-02 15:51:45,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801247393] [2024-12-02 15:51:45,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-12-02 15:51:51,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:51,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801247393] [2024-12-02 15:51:51,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801247393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:51,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:51,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:51:51,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288364180] [2024-12-02 15:51:51,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:51,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:51:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:51,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:51:51,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:51,289 INFO L87 Difference]: Start difference. First operand 6739 states and 9302 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-12-02 15:51:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:52,777 INFO L93 Difference]: Finished difference Result 13506 states and 18833 transitions. [2024-12-02 15:51:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:51:52,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 404 [2024-12-02 15:51:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:52,806 INFO L225 Difference]: With dead ends: 13506 [2024-12-02 15:51:52,806 INFO L226 Difference]: Without dead ends: 6811 [2024-12-02 15:51:52,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:51:52,831 INFO L435 NwaCegarLoop]: 4723 mSDtfsCounter, 28 mSDsluCounter, 9275 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 13998 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:52,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 13998 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:51:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6811 states. [2024-12-02 15:51:53,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6811 to 6811. [2024-12-02 15:51:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6811 states, 4923 states have (on average 1.2766605728214504) internal successors, (6285), 5021 states have internal predecessors, (6285), 1548 states have call successors, (1548), 339 states have call predecessors, (1548), 336 states have return successors, (1579), 1525 states have call predecessors, (1579), 1545 states have call successors, (1579) [2024-12-02 15:51:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6811 states to 6811 states and 9412 transitions. [2024-12-02 15:51:53,191 INFO L78 Accepts]: Start accepts. Automaton has 6811 states and 9412 transitions. Word has length 404 [2024-12-02 15:51:53,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:53,191 INFO L471 AbstractCegarLoop]: Abstraction has 6811 states and 9412 transitions. [2024-12-02 15:51:53,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 4 states have call successors, (51), 2 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2024-12-02 15:51:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 6811 states and 9412 transitions. [2024-12-02 15:51:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2024-12-02 15:51:53,198 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:53,198 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:53,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:51:53,199 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:51:53,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:53,199 INFO L85 PathProgramCache]: Analyzing trace with hash 425317619, now seen corresponding path program 1 times [2024-12-02 15:51:53,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:53,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460017551] [2024-12-02 15:51:53,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:53,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-12-02 15:51:59,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:59,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460017551] [2024-12-02 15:51:59,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460017551] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:59,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:59,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:51:59,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409046881] [2024-12-02 15:51:59,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:59,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:51:59,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:59,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:51:59,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:59,128 INFO L87 Difference]: Start difference. First operand 6811 states and 9412 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 15:52:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:00,120 INFO L93 Difference]: Finished difference Result 13720 states and 18989 transitions. [2024-12-02 15:52:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:52:00,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 417 [2024-12-02 15:52:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:00,150 INFO L225 Difference]: With dead ends: 13720 [2024-12-02 15:52:00,150 INFO L226 Difference]: Without dead ends: 6953 [2024-12-02 15:52:00,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:00,174 INFO L435 NwaCegarLoop]: 4776 mSDtfsCounter, 108 mSDsluCounter, 9289 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 14065 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:00,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 14065 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:52:00,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2024-12-02 15:52:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6945. [2024-12-02 15:52:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6945 states, 5015 states have (on average 1.2767696909272184) internal successors, (6403), 5113 states have internal predecessors, (6403), 1588 states have call successors, (1588), 341 states have call predecessors, (1588), 338 states have return successors, (1619), 1565 states have call predecessors, (1619), 1585 states have call successors, (1619) [2024-12-02 15:52:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6945 states to 6945 states and 9610 transitions. [2024-12-02 15:52:00,638 INFO L78 Accepts]: Start accepts. Automaton has 6945 states and 9610 transitions. Word has length 417 [2024-12-02 15:52:00,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:00,638 INFO L471 AbstractCegarLoop]: Abstraction has 6945 states and 9610 transitions. [2024-12-02 15:52:00,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 4 states have internal predecessors, (189), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 15:52:00,638 INFO L276 IsEmpty]: Start isEmpty. Operand 6945 states and 9610 transitions. [2024-12-02 15:52:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2024-12-02 15:52:00,645 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:00,645 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:00,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:52:00,645 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:52:00,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:00,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1331927858, now seen corresponding path program 1 times [2024-12-02 15:52:00,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:00,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402486630] [2024-12-02 15:52:00,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:00,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-12-02 15:52:06,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:06,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402486630] [2024-12-02 15:52:06,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402486630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:06,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:06,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:52:06,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221826535] [2024-12-02 15:52:06,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:06,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:06,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:06,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:06,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:06,355 INFO L87 Difference]: Start difference. First operand 6945 states and 9610 transitions. Second operand has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 15:52:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:07,293 INFO L93 Difference]: Finished difference Result 13902 states and 19361 transitions. [2024-12-02 15:52:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:52:07,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 419 [2024-12-02 15:52:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:07,325 INFO L225 Difference]: With dead ends: 13902 [2024-12-02 15:52:07,325 INFO L226 Difference]: Without dead ends: 7001 [2024-12-02 15:52:07,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:07,351 INFO L435 NwaCegarLoop]: 4704 mSDtfsCounter, 17 mSDsluCounter, 14047 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 18751 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:07,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 18751 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:52:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2024-12-02 15:52:07,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6983. [2024-12-02 15:52:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6983 states, 5047 states have (on average 1.275807410342778) internal successors, (6439), 5145 states have internal predecessors, (6439), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 340 states have return successors, (1705), 1571 states have call predecessors, (1705), 1589 states have call successors, (1705) [2024-12-02 15:52:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6983 states to 6983 states and 9736 transitions. [2024-12-02 15:52:07,787 INFO L78 Accepts]: Start accepts. Automaton has 6983 states and 9736 transitions. Word has length 419 [2024-12-02 15:52:07,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:07,787 INFO L471 AbstractCegarLoop]: Abstraction has 6983 states and 9736 transitions. [2024-12-02 15:52:07,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.8) internal successors, (189), 4 states have internal predecessors, (189), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 15:52:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6983 states and 9736 transitions. [2024-12-02 15:52:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-12-02 15:52:07,794 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:07,794 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:07,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:52:07,795 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:52:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2056842298, now seen corresponding path program 1 times [2024-12-02 15:52:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521329644] [2024-12-02 15:52:07,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-12-02 15:52:13,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:13,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521329644] [2024-12-02 15:52:13,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521329644] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:13,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:13,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:52:13,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860366140] [2024-12-02 15:52:13,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:13,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:52:13,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:13,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:52:13,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:52:13,645 INFO L87 Difference]: Start difference. First operand 6983 states and 9736 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:52:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:14,101 INFO L93 Difference]: Finished difference Result 13922 states and 19449 transitions. [2024-12-02 15:52:14,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:52:14,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 405 [2024-12-02 15:52:14,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:14,129 INFO L225 Difference]: With dead ends: 13922 [2024-12-02 15:52:14,129 INFO L226 Difference]: Without dead ends: 6983 [2024-12-02 15:52:14,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:52:14,151 INFO L435 NwaCegarLoop]: 4678 mSDtfsCounter, 4594 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4594 SdHoareTripleChecker+Valid, 4678 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:14,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4594 Valid, 4678 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:52:14,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6983 states. [2024-12-02 15:52:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6983 to 6983. [2024-12-02 15:52:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6983 states, 5047 states have (on average 1.2750148603130573) internal successors, (6435), 5145 states have internal predecessors, (6435), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 340 states have return successors, (1705), 1571 states have call predecessors, (1705), 1589 states have call successors, (1705) [2024-12-02 15:52:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6983 states to 6983 states and 9732 transitions. [2024-12-02 15:52:14,541 INFO L78 Accepts]: Start accepts. Automaton has 6983 states and 9732 transitions. Word has length 405 [2024-12-02 15:52:14,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:14,542 INFO L471 AbstractCegarLoop]: Abstraction has 6983 states and 9732 transitions. [2024-12-02 15:52:14,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:52:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6983 states and 9732 transitions. [2024-12-02 15:52:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-12-02 15:52:14,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:14,550 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:14,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:52:14,550 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:52:14,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:14,551 INFO L85 PathProgramCache]: Analyzing trace with hash -963735789, now seen corresponding path program 1 times [2024-12-02 15:52:14,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:14,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578771254] [2024-12-02 15:52:14,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:52:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:52:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-12-02 15:52:20,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:52:20,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578771254] [2024-12-02 15:52:20,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578771254] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:52:20,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:52:20,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:52:20,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133624883] [2024-12-02 15:52:20,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:52:20,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:52:20,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:52:20,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:52:20,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:52:20,258 INFO L87 Difference]: Start difference. First operand 6983 states and 9732 transitions. Second operand has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:52:24,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:28,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:41,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:45,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:51,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:55,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:52:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:52:56,183 INFO L93 Difference]: Finished difference Result 13950 states and 19485 transitions. [2024-12-02 15:52:56,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:52:56,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 408 [2024-12-02 15:52:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:52:56,207 INFO L225 Difference]: With dead ends: 13950 [2024-12-02 15:52:56,208 INFO L226 Difference]: Without dead ends: 7011 [2024-12-02 15:52:56,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:52:56,227 INFO L435 NwaCegarLoop]: 4674 mSDtfsCounter, 11 mSDsluCounter, 12903 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17577 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:52:56,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17577 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1147 Invalid, 6 Unknown, 0 Unchecked, 35.1s Time] [2024-12-02 15:52:56,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7011 states. [2024-12-02 15:52:56,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7011 to 7001. [2024-12-02 15:52:56,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7001 states, 5063 states have (on average 1.2745407860952005) internal successors, (6453), 5163 states have internal predecessors, (6453), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 342 states have return successors, (1709), 1571 states have call predecessors, (1709), 1589 states have call successors, (1709) [2024-12-02 15:52:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 9754 transitions. [2024-12-02 15:52:56,602 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 9754 transitions. Word has length 408 [2024-12-02 15:52:56,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:52:56,603 INFO L471 AbstractCegarLoop]: Abstraction has 7001 states and 9754 transitions. [2024-12-02 15:52:56,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.4) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:52:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 9754 transitions. [2024-12-02 15:52:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-12-02 15:52:56,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:52:56,608 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 9, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:52:56,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:52:56,608 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:52:56,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:52:56,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1514170088, now seen corresponding path program 1 times [2024-12-02 15:52:56,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:52:56,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503675533] [2024-12-02 15:52:56,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:52:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2024-12-02 15:53:02,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:02,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503675533] [2024-12-02 15:53:02,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503675533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:02,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:02,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:02,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656659341] [2024-12-02 15:53:02,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:02,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:02,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:02,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:02,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:02,806 INFO L87 Difference]: Start difference. First operand 7001 states and 9754 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:53:03,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:03,688 INFO L93 Difference]: Finished difference Result 7005 states and 9757 transitions. [2024-12-02 15:53:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:03,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 410 [2024-12-02 15:53:03,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:03,711 INFO L225 Difference]: With dead ends: 7005 [2024-12-02 15:53:03,711 INFO L226 Difference]: Without dead ends: 7003 [2024-12-02 15:53:03,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:53:03,715 INFO L435 NwaCegarLoop]: 4681 mSDtfsCounter, 4517 mSDsluCounter, 13949 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4518 SdHoareTripleChecker+Valid, 18630 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:03,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4518 Valid, 18630 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:53:03,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7003 states. [2024-12-02 15:53:04,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 7001. [2024-12-02 15:53:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7001 states, 5063 states have (on average 1.2743432747382974) internal successors, (6452), 5163 states have internal predecessors, (6452), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 342 states have return successors, (1709), 1571 states have call predecessors, (1709), 1589 states have call successors, (1709) [2024-12-02 15:53:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7001 states to 7001 states and 9753 transitions. [2024-12-02 15:53:04,105 INFO L78 Accepts]: Start accepts. Automaton has 7001 states and 9753 transitions. Word has length 410 [2024-12-02 15:53:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:04,106 INFO L471 AbstractCegarLoop]: Abstraction has 7001 states and 9753 transitions. [2024-12-02 15:53:04,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 15:53:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7001 states and 9753 transitions. [2024-12-02 15:53:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2024-12-02 15:53:04,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:04,114 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 10, 10, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:04,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:53:04,114 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:04,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:04,114 INFO L85 PathProgramCache]: Analyzing trace with hash -697363246, now seen corresponding path program 1 times [2024-12-02 15:53:04,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:04,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630541124] [2024-12-02 15:53:04,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2024-12-02 15:53:10,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:10,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630541124] [2024-12-02 15:53:10,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630541124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:10,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:10,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:53:10,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851549831] [2024-12-02 15:53:10,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:10,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:53:10,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:10,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:53:10,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:53:10,381 INFO L87 Difference]: Start difference. First operand 7001 states and 9753 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:53:11,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:11,193 INFO L93 Difference]: Finished difference Result 13998 states and 19512 transitions. [2024-12-02 15:53:11,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:53:11,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 455 [2024-12-02 15:53:11,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:11,219 INFO L225 Difference]: With dead ends: 13998 [2024-12-02 15:53:11,219 INFO L226 Difference]: Without dead ends: 7041 [2024-12-02 15:53:11,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:53:11,238 INFO L435 NwaCegarLoop]: 4696 mSDtfsCounter, 33 mSDsluCounter, 9313 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 14009 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:11,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 14009 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:53:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7041 states. [2024-12-02 15:53:11,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7041 to 7013. [2024-12-02 15:53:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7013 states, 5075 states have (on average 1.2744827586206897) internal successors, (6468), 5175 states have internal predecessors, (6468), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 342 states have return successors, (1709), 1571 states have call predecessors, (1709), 1589 states have call successors, (1709) [2024-12-02 15:53:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 9769 transitions. [2024-12-02 15:53:11,662 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 9769 transitions. Word has length 455 [2024-12-02 15:53:11,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:11,662 INFO L471 AbstractCegarLoop]: Abstraction has 7013 states and 9769 transitions. [2024-12-02 15:53:11,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:53:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 9769 transitions. [2024-12-02 15:53:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-12-02 15:53:11,668 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:11,668 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:11,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:53:11,669 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:11,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2026401692, now seen corresponding path program 1 times [2024-12-02 15:53:11,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:11,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106560375] [2024-12-02 15:53:11,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:11,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2024-12-02 15:53:17,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:17,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106560375] [2024-12-02 15:53:17,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106560375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:17,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:17,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673244653] [2024-12-02 15:53:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:17,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:17,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:17,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:17,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:17,375 INFO L87 Difference]: Start difference. First operand 7013 states and 9769 transitions. Second operand has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:53:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:18,106 INFO L93 Difference]: Finished difference Result 14012 states and 19529 transitions. [2024-12-02 15:53:18,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:18,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 470 [2024-12-02 15:53:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:18,131 INFO L225 Difference]: With dead ends: 14012 [2024-12-02 15:53:18,131 INFO L226 Difference]: Without dead ends: 7043 [2024-12-02 15:53:18,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:18,147 INFO L435 NwaCegarLoop]: 4675 mSDtfsCounter, 2 mSDsluCounter, 14005 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18680 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:18,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18680 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:53:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7043 states. [2024-12-02 15:53:18,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7043 to 7041. [2024-12-02 15:53:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7041 states, 5101 states have (on average 1.2734757890609685) internal successors, (6496), 5201 states have internal predecessors, (6496), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 342 states have return successors, (1711), 1573 states have call predecessors, (1711), 1591 states have call successors, (1711) [2024-12-02 15:53:18,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7041 states to 7041 states and 9801 transitions. [2024-12-02 15:53:18,513 INFO L78 Accepts]: Start accepts. Automaton has 7041 states and 9801 transitions. Word has length 470 [2024-12-02 15:53:18,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:18,513 INFO L471 AbstractCegarLoop]: Abstraction has 7041 states and 9801 transitions. [2024-12-02 15:53:18,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.0) internal successors, (220), 5 states have internal predecessors, (220), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:53:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7041 states and 9801 transitions. [2024-12-02 15:53:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-12-02 15:53:18,519 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:18,519 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:18,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:53:18,520 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:18,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:18,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1487995886, now seen corresponding path program 1 times [2024-12-02 15:53:18,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:18,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769035789] [2024-12-02 15:53:18,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2024-12-02 15:53:24,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769035789] [2024-12-02 15:53:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769035789] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:24,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:24,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854505749] [2024-12-02 15:53:24,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:24,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:24,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:24,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:24,101 INFO L87 Difference]: Start difference. First operand 7041 states and 9801 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 15:53:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:24,930 INFO L93 Difference]: Finished difference Result 14046 states and 19585 transitions. [2024-12-02 15:53:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:24,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 440 [2024-12-02 15:53:24,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:24,958 INFO L225 Difference]: With dead ends: 14046 [2024-12-02 15:53:24,958 INFO L226 Difference]: Without dead ends: 7049 [2024-12-02 15:53:24,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:24,978 INFO L435 NwaCegarLoop]: 4678 mSDtfsCounter, 0 mSDsluCounter, 13983 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18661 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:24,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18661 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:53:24,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7049 states. [2024-12-02 15:53:25,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7049 to 7049. [2024-12-02 15:53:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7049 states, 5107 states have (on average 1.2731544938319952) internal successors, (6502), 5207 states have internal predecessors, (6502), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 344 states have return successors, (1717), 1575 states have call predecessors, (1717), 1591 states have call successors, (1717) [2024-12-02 15:53:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7049 states to 7049 states and 9813 transitions. [2024-12-02 15:53:25,347 INFO L78 Accepts]: Start accepts. Automaton has 7049 states and 9813 transitions. Word has length 440 [2024-12-02 15:53:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:25,347 INFO L471 AbstractCegarLoop]: Abstraction has 7049 states and 9813 transitions. [2024-12-02 15:53:25,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 4 states have internal predecessors, (188), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 15:53:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 7049 states and 9813 transitions. [2024-12-02 15:53:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2024-12-02 15:53:25,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:25,357 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 17, 17, 17, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:53:25,357 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:25,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:25,357 INFO L85 PathProgramCache]: Analyzing trace with hash 338071738, now seen corresponding path program 1 times [2024-12-02 15:53:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:25,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156359700] [2024-12-02 15:53:25,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5605 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5593 trivial. 0 not checked. [2024-12-02 15:53:31,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:31,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156359700] [2024-12-02 15:53:31,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156359700] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:31,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:31,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:53:31,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61863984] [2024-12-02 15:53:31,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:31,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:53:31,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:31,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:53:31,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:31,113 INFO L87 Difference]: Start difference. First operand 7049 states and 9813 transitions. Second operand has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (84), 2 states have call predecessors, (84), 3 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) [2024-12-02 15:53:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:31,973 INFO L93 Difference]: Finished difference Result 14088 states and 19661 transitions. [2024-12-02 15:53:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:53:31,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (84), 2 states have call predecessors, (84), 3 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) Word has length 872 [2024-12-02 15:53:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:32,003 INFO L225 Difference]: With dead ends: 14088 [2024-12-02 15:53:32,003 INFO L226 Difference]: Without dead ends: 7083 [2024-12-02 15:53:32,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:53:32,024 INFO L435 NwaCegarLoop]: 4700 mSDtfsCounter, 21 mSDsluCounter, 14037 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 18737 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:32,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 18737 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:53:32,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7083 states. [2024-12-02 15:53:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7083 to 7057. [2024-12-02 15:53:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7057 states, 5115 states have (on average 1.2735092864125122) internal successors, (6514), 5213 states have internal predecessors, (6514), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 344 states have return successors, (1717), 1577 states have call predecessors, (1717), 1591 states have call successors, (1717) [2024-12-02 15:53:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7057 states to 7057 states and 9825 transitions. [2024-12-02 15:53:32,444 INFO L78 Accepts]: Start accepts. Automaton has 7057 states and 9825 transitions. Word has length 872 [2024-12-02 15:53:32,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:32,444 INFO L471 AbstractCegarLoop]: Abstraction has 7057 states and 9825 transitions. [2024-12-02 15:53:32,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.2) internal successors, (261), 4 states have internal predecessors, (261), 2 states have call successors, (84), 2 states have call predecessors, (84), 3 states have return successors, (78), 3 states have call predecessors, (78), 2 states have call successors, (78) [2024-12-02 15:53:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7057 states and 9825 transitions. [2024-12-02 15:53:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-12-02 15:53:32,452 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:32,453 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:32,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:53:32,453 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:32,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:32,453 INFO L85 PathProgramCache]: Analyzing trace with hash 344226871, now seen corresponding path program 1 times [2024-12-02 15:53:32,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:32,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813108374] [2024-12-02 15:53:32,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:32,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:53:37,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:37,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813108374] [2024-12-02 15:53:37,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813108374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:37,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:37,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:53:37,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098679984] [2024-12-02 15:53:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:37,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:53:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:37,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:53:37,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:37,671 INFO L87 Difference]: Start difference. First operand 7057 states and 9825 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:53:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:53:38,136 INFO L93 Difference]: Finished difference Result 14072 states and 19591 transitions. [2024-12-02 15:53:38,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:53:38,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 635 [2024-12-02 15:53:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:53:38,164 INFO L225 Difference]: With dead ends: 14072 [2024-12-02 15:53:38,164 INFO L226 Difference]: Without dead ends: 7059 [2024-12-02 15:53:38,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:53:38,183 INFO L435 NwaCegarLoop]: 4679 mSDtfsCounter, 0 mSDsluCounter, 4673 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:53:38,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:53:38,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7059 states. [2024-12-02 15:53:38,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7059 to 7059. [2024-12-02 15:53:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 5117 states have (on average 1.2734023842094977) internal successors, (6516), 5215 states have internal predecessors, (6516), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 344 states have return successors, (1717), 1577 states have call predecessors, (1717), 1591 states have call successors, (1717) [2024-12-02 15:53:38,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9827 transitions. [2024-12-02 15:53:38,555 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9827 transitions. Word has length 635 [2024-12-02 15:53:38,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:53:38,556 INFO L471 AbstractCegarLoop]: Abstraction has 7059 states and 9827 transitions. [2024-12-02 15:53:38,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:53:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9827 transitions. [2024-12-02 15:53:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2024-12-02 15:53:38,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:53:38,564 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 17, 17, 17, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:53:38,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:53:38,565 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:53:38,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:53:38,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1932309663, now seen corresponding path program 1 times [2024-12-02 15:53:38,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:53:38,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011556729] [2024-12-02 15:53:38,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:53:38,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:53:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:53:44,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3578 trivial. 0 not checked. [2024-12-02 15:53:44,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:53:44,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011556729] [2024-12-02 15:53:44,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011556729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:53:44,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:53:44,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:53:44,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507879448] [2024-12-02 15:53:44,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:53:44,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:53:44,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:53:44,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:53:44,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:53:44,739 INFO L87 Difference]: Start difference. First operand 7059 states and 9827 transitions. Second operand has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-12-02 15:53:48,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:53:57,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:02,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:54:03,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:03,254 INFO L93 Difference]: Finished difference Result 14094 states and 19667 transitions. [2024-12-02 15:54:03,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:54:03,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 696 [2024-12-02 15:54:03,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:03,285 INFO L225 Difference]: With dead ends: 14094 [2024-12-02 15:54:03,285 INFO L226 Difference]: Without dead ends: 7079 [2024-12-02 15:54:03,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:54:03,302 INFO L435 NwaCegarLoop]: 4671 mSDtfsCounter, 21 mSDsluCounter, 8768 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 13439 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:03,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 13439 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 587 Invalid, 3 Unknown, 0 Unchecked, 17.8s Time] [2024-12-02 15:54:03,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2024-12-02 15:54:03,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7059. [2024-12-02 15:54:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7059 states, 5117 states have (on average 1.2730115301934728) internal successors, (6514), 5215 states have internal predecessors, (6514), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 344 states have return successors, (1717), 1577 states have call predecessors, (1717), 1591 states have call successors, (1717) [2024-12-02 15:54:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7059 states to 7059 states and 9825 transitions. [2024-12-02 15:54:03,690 INFO L78 Accepts]: Start accepts. Automaton has 7059 states and 9825 transitions. Word has length 696 [2024-12-02 15:54:03,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:03,690 INFO L471 AbstractCegarLoop]: Abstraction has 7059 states and 9825 transitions. [2024-12-02 15:54:03,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 2 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-12-02 15:54:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7059 states and 9825 transitions. [2024-12-02 15:54:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2024-12-02 15:54:03,699 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:03,699 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:03,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:54:03,699 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:03,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash 775279605, now seen corresponding path program 1 times [2024-12-02 15:54:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:03,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95264318] [2024-12-02 15:54:03,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:54:09,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:09,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95264318] [2024-12-02 15:54:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95264318] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:09,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:54:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384880912] [2024-12-02 15:54:09,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:09,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:54:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:09,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:54:09,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:54:09,081 INFO L87 Difference]: Start difference. First operand 7059 states and 9825 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:54:09,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:09,514 INFO L93 Difference]: Finished difference Result 14078 states and 19593 transitions. [2024-12-02 15:54:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:54:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 635 [2024-12-02 15:54:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:09,543 INFO L225 Difference]: With dead ends: 14078 [2024-12-02 15:54:09,543 INFO L226 Difference]: Without dead ends: 7063 [2024-12-02 15:54:09,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:54:09,563 INFO L435 NwaCegarLoop]: 4678 mSDtfsCounter, 1 mSDsluCounter, 4674 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:09,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:54:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7063 states. [2024-12-02 15:54:09,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7063 to 7061. [2024-12-02 15:54:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 5119 states have (on average 1.2729048642312952) internal successors, (6516), 5217 states have internal predecessors, (6516), 1594 states have call successors, (1594), 341 states have call predecessors, (1594), 344 states have return successors, (1717), 1577 states have call predecessors, (1717), 1591 states have call successors, (1717) [2024-12-02 15:54:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 9827 transitions. [2024-12-02 15:54:09,940 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 9827 transitions. Word has length 635 [2024-12-02 15:54:09,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:09,940 INFO L471 AbstractCegarLoop]: Abstraction has 7061 states and 9827 transitions. [2024-12-02 15:54:09,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 2 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:54:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 9827 transitions. [2024-12-02 15:54:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2024-12-02 15:54:09,954 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:09,954 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 17, 17, 17, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:09,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 15:54:09,954 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:09,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:09,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1064373531, now seen corresponding path program 1 times [2024-12-02 15:54:09,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:09,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000975015] [2024-12-02 15:54:09,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2024-12-02 15:54:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000975015] [2024-12-02 15:54:16,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000975015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:16,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:16,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:54:16,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82347029] [2024-12-02 15:54:16,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:16,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:54:16,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:16,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:54:16,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:16,657 INFO L87 Difference]: Start difference. First operand 7061 states and 9827 transitions. Second operand has 8 states, 8 states have (on average 26.25) internal successors, (210), 6 states have internal predecessors, (210), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:54:18,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:18,137 INFO L93 Difference]: Finished difference Result 14114 states and 19775 transitions. [2024-12-02 15:54:18,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:54:18,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.25) internal successors, (210), 6 states have internal predecessors, (210), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) Word has length 694 [2024-12-02 15:54:18,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:18,174 INFO L225 Difference]: With dead ends: 14114 [2024-12-02 15:54:18,174 INFO L226 Difference]: Without dead ends: 7097 [2024-12-02 15:54:18,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:18,199 INFO L435 NwaCegarLoop]: 4737 mSDtfsCounter, 3 mSDsluCounter, 28310 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33047 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:18,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33047 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:54:18,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7097 states. [2024-12-02 15:54:18,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7097 to 7077. [2024-12-02 15:54:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7077 states, 5131 states have (on average 1.2730461898265446) internal successors, (6532), 5229 states have internal predecessors, (6532), 1596 states have call successors, (1596), 341 states have call predecessors, (1596), 346 states have return successors, (1801), 1581 states have call predecessors, (1801), 1593 states have call successors, (1801) [2024-12-02 15:54:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9929 transitions. [2024-12-02 15:54:18,629 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9929 transitions. Word has length 694 [2024-12-02 15:54:18,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:18,630 INFO L471 AbstractCegarLoop]: Abstraction has 7077 states and 9929 transitions. [2024-12-02 15:54:18,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.25) internal successors, (210), 6 states have internal predecessors, (210), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:54:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9929 transitions. [2024-12-02 15:54:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2024-12-02 15:54:18,685 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:18,686 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 17, 17, 17, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:18,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:54:18,686 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:18,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash 435578351, now seen corresponding path program 1 times [2024-12-02 15:54:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:18,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621914276] [2024-12-02 15:54:18,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3569 trivial. 0 not checked. [2024-12-02 15:54:25,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:25,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621914276] [2024-12-02 15:54:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621914276] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:54:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390316140] [2024-12-02 15:54:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:25,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:54:25,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:25,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:54:25,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:25,062 INFO L87 Difference]: Start difference. First operand 7077 states and 9929 transitions. Second operand has 8 states, 8 states have (on average 26.75) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) [2024-12-02 15:54:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:26,559 INFO L93 Difference]: Finished difference Result 14154 states and 19993 transitions. [2024-12-02 15:54:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:54:26,560 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.75) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) Word has length 701 [2024-12-02 15:54:26,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:26,595 INFO L225 Difference]: With dead ends: 14154 [2024-12-02 15:54:26,595 INFO L226 Difference]: Without dead ends: 7121 [2024-12-02 15:54:26,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:26,618 INFO L435 NwaCegarLoop]: 4739 mSDtfsCounter, 3 mSDsluCounter, 28319 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33058 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:26,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33058 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:54:26,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2024-12-02 15:54:27,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7077. [2024-12-02 15:54:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7077 states, 5131 states have (on average 1.2730461898265446) internal successors, (6532), 5229 states have internal predecessors, (6532), 1596 states have call successors, (1596), 341 states have call predecessors, (1596), 346 states have return successors, (1801), 1581 states have call predecessors, (1801), 1593 states have call successors, (1801) [2024-12-02 15:54:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9929 transitions. [2024-12-02 15:54:27,077 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9929 transitions. Word has length 701 [2024-12-02 15:54:27,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:27,078 INFO L471 AbstractCegarLoop]: Abstraction has 7077 states and 9929 transitions. [2024-12-02 15:54:27,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.75) internal successors, (214), 6 states have internal predecessors, (214), 3 states have call successors, (64), 2 states have call predecessors, (64), 3 states have return successors, (59), 5 states have call predecessors, (59), 3 states have call successors, (59) [2024-12-02 15:54:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9929 transitions. [2024-12-02 15:54:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2024-12-02 15:54:27,085 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:27,086 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 17, 17, 17, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:27,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:54:27,086 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:27,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash -545175574, now seen corresponding path program 1 times [2024-12-02 15:54:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:27,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135979078] [2024-12-02 15:54:27,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3570 trivial. 0 not checked. [2024-12-02 15:54:33,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:33,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135979078] [2024-12-02 15:54:33,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135979078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:33,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:54:33,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:54:33,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651497283] [2024-12-02 15:54:33,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:33,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:54:33,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:33,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:54:33,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:33,553 INFO L87 Difference]: Start difference. First operand 7077 states and 9929 transitions. Second operand has 8 states, 8 states have (on average 26.875) internal successors, (215), 6 states have internal predecessors, (215), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:54:35,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:35,025 INFO L93 Difference]: Finished difference Result 14154 states and 19993 transitions. [2024-12-02 15:54:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:54:35,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.875) internal successors, (215), 6 states have internal predecessors, (215), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) Word has length 699 [2024-12-02 15:54:35,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:35,065 INFO L225 Difference]: With dead ends: 14154 [2024-12-02 15:54:35,065 INFO L226 Difference]: Without dead ends: 7121 [2024-12-02 15:54:35,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:54:35,088 INFO L435 NwaCegarLoop]: 4737 mSDtfsCounter, 3 mSDsluCounter, 28310 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33047 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:35,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33047 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:54:35,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2024-12-02 15:54:35,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7077. [2024-12-02 15:54:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7077 states, 5131 states have (on average 1.2730461898265446) internal successors, (6532), 5229 states have internal predecessors, (6532), 1596 states have call successors, (1596), 341 states have call predecessors, (1596), 346 states have return successors, (1801), 1581 states have call predecessors, (1801), 1593 states have call successors, (1801) [2024-12-02 15:54:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7077 states to 7077 states and 9929 transitions. [2024-12-02 15:54:35,544 INFO L78 Accepts]: Start accepts. Automaton has 7077 states and 9929 transitions. Word has length 699 [2024-12-02 15:54:35,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:35,544 INFO L471 AbstractCegarLoop]: Abstraction has 7077 states and 9929 transitions. [2024-12-02 15:54:35,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.875) internal successors, (215), 6 states have internal predecessors, (215), 3 states have call successors, (63), 2 states have call predecessors, (63), 3 states have return successors, (58), 5 states have call predecessors, (58), 3 states have call successors, (58) [2024-12-02 15:54:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7077 states and 9929 transitions. [2024-12-02 15:54:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2024-12-02 15:54:35,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:35,553 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:35,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 15:54:35,553 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:35,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1102707065, now seen corresponding path program 1 times [2024-12-02 15:54:35,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:35,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849321320] [2024-12-02 15:54:35,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:35,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:54:41,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:41,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849321320] [2024-12-02 15:54:41,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849321320] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:54:41,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169171197] [2024-12-02 15:54:41,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:41,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:54:41,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:54:41,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:54:41,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:54:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:50,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 10641 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:54:50,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:54:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 410 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2024-12-02 15:54:50,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:54:50,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169171197] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:54:50,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:54:50,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:54:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587569645] [2024-12-02 15:54:50,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:54:50,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:54:50,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:54:50,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:54:50,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:54:50,304 INFO L87 Difference]: Start difference. First operand 7077 states and 9929 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:54:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:54:50,749 INFO L93 Difference]: Finished difference Result 14114 states and 19817 transitions. [2024-12-02 15:54:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:54:50,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 637 [2024-12-02 15:54:50,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:54:50,787 INFO L225 Difference]: With dead ends: 14114 [2024-12-02 15:54:50,787 INFO L226 Difference]: Without dead ends: 7081 [2024-12-02 15:54:50,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:54:50,808 INFO L435 NwaCegarLoop]: 4679 mSDtfsCounter, 0 mSDsluCounter, 4673 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:54:50,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:54:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7081 states. [2024-12-02 15:54:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7081 to 7081. [2024-12-02 15:54:51,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 5135 states have (on average 1.2728334956183058) internal successors, (6536), 5233 states have internal predecessors, (6536), 1596 states have call successors, (1596), 341 states have call predecessors, (1596), 346 states have return successors, (1801), 1581 states have call predecessors, (1801), 1593 states have call successors, (1801) [2024-12-02 15:54:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 9933 transitions. [2024-12-02 15:54:51,258 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 9933 transitions. Word has length 637 [2024-12-02 15:54:51,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:54:51,259 INFO L471 AbstractCegarLoop]: Abstraction has 7081 states and 9933 transitions. [2024-12-02 15:54:51,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:54:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 9933 transitions. [2024-12-02 15:54:51,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-12-02 15:54:51,267 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:54:51,267 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:54:51,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 15:54:51,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-12-02 15:54:51,467 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:54:51,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:54:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1600682116, now seen corresponding path program 1 times [2024-12-02 15:54:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:54:51,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403595744] [2024-12-02 15:54:51,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:54:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:54:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:54:56,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:54:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403595744] [2024-12-02 15:54:56,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403595744] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:54:56,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613017710] [2024-12-02 15:54:56,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:54:56,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:54:56,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:54:56,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:54:56,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:55:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:06,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 10654 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:55:06,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2024-12-02 15:55:06,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:55:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613017710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:55:06,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:55:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980152707] [2024-12-02 15:55:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:55:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:55:06,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:55:06,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:06,361 INFO L87 Difference]: Start difference. First operand 7081 states and 9933 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:06,789 INFO L93 Difference]: Finished difference Result 14122 states and 19825 transitions. [2024-12-02 15:55:06,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:55:06,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 641 [2024-12-02 15:55:06,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:06,824 INFO L225 Difference]: With dead ends: 14122 [2024-12-02 15:55:06,825 INFO L226 Difference]: Without dead ends: 7085 [2024-12-02 15:55:06,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:06,846 INFO L435 NwaCegarLoop]: 4679 mSDtfsCounter, 0 mSDsluCounter, 4673 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:06,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:55:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7085 states. [2024-12-02 15:55:07,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7085 to 7085. [2024-12-02 15:55:07,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7085 states, 5139 states have (on average 1.2726211325160537) internal successors, (6540), 5237 states have internal predecessors, (6540), 1596 states have call successors, (1596), 341 states have call predecessors, (1596), 346 states have return successors, (1801), 1581 states have call predecessors, (1801), 1593 states have call successors, (1801) [2024-12-02 15:55:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7085 states to 7085 states and 9937 transitions. [2024-12-02 15:55:07,291 INFO L78 Accepts]: Start accepts. Automaton has 7085 states and 9937 transitions. Word has length 641 [2024-12-02 15:55:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:07,291 INFO L471 AbstractCegarLoop]: Abstraction has 7085 states and 9937 transitions. [2024-12-02 15:55:07,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 7085 states and 9937 transitions. [2024-12-02 15:55:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2024-12-02 15:55:07,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:07,299 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:07,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:55:07,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-12-02 15:55:07,500 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:55:07,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:07,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1467037767, now seen corresponding path program 1 times [2024-12-02 15:55:07,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:55:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003025100] [2024-12-02 15:55:07,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:55:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:55:13,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:55:13,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003025100] [2024-12-02 15:55:13,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003025100] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:55:13,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022193757] [2024-12-02 15:55:13,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:13,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:55:13,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:55:13,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:55:13,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:55:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:22,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 10655 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:55:22,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-12-02 15:55:26,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:55:26,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022193757] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:26,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:55:26,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 15:55:26,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113808649] [2024-12-02 15:55:26,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:26,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:55:26,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:55:26,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:55:26,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:26,582 INFO L87 Difference]: Start difference. First operand 7085 states and 9937 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 2 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:27,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:27,057 INFO L93 Difference]: Finished difference Result 14120 states and 19801 transitions. [2024-12-02 15:55:27,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:55:27,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 2 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 637 [2024-12-02 15:55:27,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:27,088 INFO L225 Difference]: With dead ends: 14120 [2024-12-02 15:55:27,088 INFO L226 Difference]: Without dead ends: 7079 [2024-12-02 15:55:27,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:27,105 INFO L435 NwaCegarLoop]: 4671 mSDtfsCounter, 4474 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4474 SdHoareTripleChecker+Valid, 4671 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:27,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4474 Valid, 4671 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:55:27,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2024-12-02 15:55:27,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7079. [2024-12-02 15:55:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 5137 states have (on average 1.2723379404321589) internal successors, (6536), 5233 states have internal predecessors, (6536), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 346 states have return successors, (1797), 1579 states have call predecessors, (1797), 1589 states have call successors, (1797) [2024-12-02 15:55:27,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 9925 transitions. [2024-12-02 15:55:27,497 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 9925 transitions. Word has length 637 [2024-12-02 15:55:27,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:27,498 INFO L471 AbstractCegarLoop]: Abstraction has 7079 states and 9925 transitions. [2024-12-02 15:55:27,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 2 states have internal predecessors, (352), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 9925 transitions. [2024-12-02 15:55:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-12-02 15:55:27,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:27,507 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:27,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:55:27,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 15:55:27,707 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:55:27,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2083462426, now seen corresponding path program 1 times [2024-12-02 15:55:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:55:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322089493] [2024-12-02 15:55:27,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:55:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-12-02 15:55:33,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:55:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322089493] [2024-12-02 15:55:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322089493] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:55:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067667306] [2024-12-02 15:55:33,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:33,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:55:33,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:55:33,308 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:55:33,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:55:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:42,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 10660 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:55:42,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:55:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2024-12-02 15:55:50,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:55:50,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067667306] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:50,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:55:50,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 15:55:50,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864890071] [2024-12-02 15:55:50,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:50,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:55:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:55:50,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:55:50,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:50,459 INFO L87 Difference]: Start difference. First operand 7079 states and 9925 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 2 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:50,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:50,961 INFO L93 Difference]: Finished difference Result 14114 states and 19787 transitions. [2024-12-02 15:55:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:55:50,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 2 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 641 [2024-12-02 15:55:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:50,999 INFO L225 Difference]: With dead ends: 14114 [2024-12-02 15:55:50,999 INFO L226 Difference]: Without dead ends: 7079 [2024-12-02 15:55:51,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:51,018 INFO L435 NwaCegarLoop]: 4669 mSDtfsCounter, 4281 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4281 SdHoareTripleChecker+Valid, 4669 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:51,018 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4281 Valid, 4669 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:55:51,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7079 states. [2024-12-02 15:55:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7079 to 7079. [2024-12-02 15:55:51,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7079 states, 5137 states have (on average 1.271948608137045) internal successors, (6534), 5233 states have internal predecessors, (6534), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 346 states have return successors, (1797), 1579 states have call predecessors, (1797), 1589 states have call successors, (1797) [2024-12-02 15:55:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7079 states to 7079 states and 9923 transitions. [2024-12-02 15:55:51,433 INFO L78 Accepts]: Start accepts. Automaton has 7079 states and 9923 transitions. Word has length 641 [2024-12-02 15:55:51,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:51,434 INFO L471 AbstractCegarLoop]: Abstraction has 7079 states and 9923 transitions. [2024-12-02 15:55:51,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 2 states have internal predecessors, (356), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:55:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 7079 states and 9923 transitions. [2024-12-02 15:55:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2024-12-02 15:55:51,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:51,443 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 15, 15, 15, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:51,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:55:51,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-12-02 15:55:51,644 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:55:51,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:51,644 INFO L85 PathProgramCache]: Analyzing trace with hash -345853693, now seen corresponding path program 1 times [2024-12-02 15:55:51,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:55:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048018513] [2024-12-02 15:55:51,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:51,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:55:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:55:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3689 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3689 trivial. 0 not checked. [2024-12-02 15:55:57,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:55:57,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048018513] [2024-12-02 15:55:57,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048018513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:55:57,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:55:57,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:55:57,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289316134] [2024-12-02 15:55:57,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:55:57,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:55:57,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:55:57,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:55:57,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:57,382 INFO L87 Difference]: Start difference. First operand 7079 states and 9923 transitions. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2024-12-02 15:55:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:55:58,082 INFO L93 Difference]: Finished difference Result 14138 states and 19829 transitions. [2024-12-02 15:55:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:55:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) Word has length 755 [2024-12-02 15:55:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:55:58,119 INFO L225 Difference]: With dead ends: 14138 [2024-12-02 15:55:58,119 INFO L226 Difference]: Without dead ends: 7103 [2024-12-02 15:55:58,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:55:58,138 INFO L435 NwaCegarLoop]: 4673 mSDtfsCounter, 18 mSDsluCounter, 13979 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 18652 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:55:58,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 18652 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:55:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7103 states. [2024-12-02 15:55:58,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7103 to 7091. [2024-12-02 15:55:58,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7091 states, 5147 states have (on average 1.2714202448027978) internal successors, (6544), 5241 states have internal predecessors, (6544), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 348 states have return successors, (1803), 1583 states have call predecessors, (1803), 1589 states have call successors, (1803) [2024-12-02 15:55:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7091 states to 7091 states and 9939 transitions. [2024-12-02 15:55:58,549 INFO L78 Accepts]: Start accepts. Automaton has 7091 states and 9939 transitions. Word has length 755 [2024-12-02 15:55:58,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:55:58,549 INFO L471 AbstractCegarLoop]: Abstraction has 7091 states and 9939 transitions. [2024-12-02 15:55:58,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 4 states have internal predecessors, (262), 2 states have call successors, (74), 2 states have call predecessors, (74), 3 states have return successors, (68), 3 states have call predecessors, (68), 2 states have call successors, (68) [2024-12-02 15:55:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 7091 states and 9939 transitions. [2024-12-02 15:55:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2024-12-02 15:55:58,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:55:58,559 INFO L218 NwaCegarLoop]: trace histogram [54, 54, 17, 17, 17, 10, 10, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:55:58,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 15:55:58,560 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:55:58,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:55:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash -840508822, now seen corresponding path program 1 times [2024-12-02 15:55:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:55:58,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260809430] [2024-12-02 15:55:58,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:55:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5612 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5600 trivial. 0 not checked. [2024-12-02 15:56:05,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:56:05,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260809430] [2024-12-02 15:56:05,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260809430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:05,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:56:05,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:56:05,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388654486] [2024-12-02 15:56:05,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:05,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:56:05,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:56:05,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:56:05,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:56:05,012 INFO L87 Difference]: Start difference. First operand 7091 states and 9939 transitions. Second operand has 8 states, 8 states have (on average 32.875) internal successors, (263), 6 states have internal predecessors, (263), 3 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (79), 5 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 15:56:06,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:06,511 INFO L93 Difference]: Finished difference Result 14164 states and 19905 transitions. [2024-12-02 15:56:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:56:06,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 6 states have internal predecessors, (263), 3 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (79), 5 states have call predecessors, (79), 3 states have call successors, (79) Word has length 879 [2024-12-02 15:56:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:06,554 INFO L225 Difference]: With dead ends: 14164 [2024-12-02 15:56:06,555 INFO L226 Difference]: Without dead ends: 7117 [2024-12-02 15:56:06,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:56:06,578 INFO L435 NwaCegarLoop]: 4724 mSDtfsCounter, 3 mSDsluCounter, 28237 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32961 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:06,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32961 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:56:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7117 states. [2024-12-02 15:56:06,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7117 to 7081. [2024-12-02 15:56:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 5139 states have (on average 1.2710644094181747) internal successors, (6532), 5233 states have internal predecessors, (6532), 1592 states have call successors, (1592), 341 states have call predecessors, (1592), 346 states have return successors, (1721), 1581 states have call predecessors, (1721), 1589 states have call successors, (1721) [2024-12-02 15:56:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 9845 transitions. [2024-12-02 15:56:06,993 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 9845 transitions. Word has length 879 [2024-12-02 15:56:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:06,993 INFO L471 AbstractCegarLoop]: Abstraction has 7081 states and 9845 transitions. [2024-12-02 15:56:06,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 32.875) internal successors, (263), 6 states have internal predecessors, (263), 3 states have call successors, (85), 2 states have call predecessors, (85), 3 states have return successors, (79), 5 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 15:56:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 9845 transitions. [2024-12-02 15:56:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2024-12-02 15:56:07,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:07,002 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:07,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 15:56:07,003 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:56:07,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -87233656, now seen corresponding path program 1 times [2024-12-02 15:56:07,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:56:07,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250273581] [2024-12-02 15:56:07,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:07,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 15:56:12,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:56:12,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250273581] [2024-12-02 15:56:12,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250273581] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:56:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466570237] [2024-12-02 15:56:12,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:12,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:56:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:56:12,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:56:12,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:56:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:22,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 10649 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:56:22,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2024-12-02 15:56:23,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:56:23,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466570237] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:23,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:56:23,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 15:56:23,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785827771] [2024-12-02 15:56:23,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:23,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:56:23,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:56:23,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:56:23,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:56:23,989 INFO L87 Difference]: Start difference. First operand 7081 states and 9845 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 15:56:24,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:24,478 INFO L93 Difference]: Finished difference Result 14804 states and 20681 transitions. [2024-12-02 15:56:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:56:24,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 646 [2024-12-02 15:56:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:24,521 INFO L225 Difference]: With dead ends: 14804 [2024-12-02 15:56:24,521 INFO L226 Difference]: Without dead ends: 7767 [2024-12-02 15:56:24,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 646 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:56:24,543 INFO L435 NwaCegarLoop]: 4681 mSDtfsCounter, 254 mSDsluCounter, 4667 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 9348 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:24,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 9348 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:56:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7767 states. [2024-12-02 15:56:24,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7767 to 7695. [2024-12-02 15:56:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7695 states, 5601 states have (on average 1.2790573111944297) internal successors, (7164), 5711 states have internal predecessors, (7164), 1744 states have call successors, (1744), 341 states have call predecessors, (1744), 346 states have return successors, (1881), 1729 states have call predecessors, (1881), 1741 states have call successors, (1881) [2024-12-02 15:56:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7695 states to 7695 states and 10789 transitions. [2024-12-02 15:56:24,997 INFO L78 Accepts]: Start accepts. Automaton has 7695 states and 10789 transitions. Word has length 646 [2024-12-02 15:56:24,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:24,997 INFO L471 AbstractCegarLoop]: Abstraction has 7695 states and 10789 transitions. [2024-12-02 15:56:24,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 3 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2024-12-02 15:56:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7695 states and 10789 transitions. [2024-12-02 15:56:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2024-12-02 15:56:25,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:25,007 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:25,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:56:25,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-12-02 15:56:25,207 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:56:25,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:25,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1344695179, now seen corresponding path program 1 times [2024-12-02 15:56:25,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:56:25,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439164752] [2024-12-02 15:56:25,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2024-12-02 15:56:30,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:56:30,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439164752] [2024-12-02 15:56:30,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439164752] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:56:30,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939318259] [2024-12-02 15:56:30,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:56:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:56:30,827 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:56:30,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:56:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:40,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 10716 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:56:40,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:56:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-12-02 15:56:45,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:56:45,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939318259] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:56:45,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:56:45,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 15:56:45,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971541286] [2024-12-02 15:56:45,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:56:45,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:56:45,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:56:45,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:56:45,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:56:45,131 INFO L87 Difference]: Start difference. First operand 7695 states and 10789 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 2 states have internal predecessors, (357), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 15:56:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:56:45,571 INFO L93 Difference]: Finished difference Result 15330 states and 21491 transitions. [2024-12-02 15:56:45,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:56:45,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 2 states have internal predecessors, (357), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 657 [2024-12-02 15:56:45,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:56:45,613 INFO L225 Difference]: With dead ends: 15330 [2024-12-02 15:56:45,613 INFO L226 Difference]: Without dead ends: 7679 [2024-12-02 15:56:45,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:56:45,636 INFO L435 NwaCegarLoop]: 4665 mSDtfsCounter, 4459 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 4665 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:56:45,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4459 Valid, 4665 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:56:45,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7679 states. [2024-12-02 15:56:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7679 to 7679. [2024-12-02 15:56:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7679 states, 5593 states have (on average 1.2787412837475416) internal successors, (7152), 5699 states have internal predecessors, (7152), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 346 states have return successors, (1873), 1725 states have call predecessors, (1873), 1733 states have call successors, (1873) [2024-12-02 15:56:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7679 states to 7679 states and 10761 transitions. [2024-12-02 15:56:46,168 INFO L78 Accepts]: Start accepts. Automaton has 7679 states and 10761 transitions. Word has length 657 [2024-12-02 15:56:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:56:46,169 INFO L471 AbstractCegarLoop]: Abstraction has 7679 states and 10761 transitions. [2024-12-02 15:56:46,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 2 states have internal predecessors, (357), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-12-02 15:56:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 7679 states and 10761 transitions. [2024-12-02 15:56:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-12-02 15:56:46,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:56:46,178 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:56:46,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:56:46,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-12-02 15:56:46,379 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:56:46,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:56:46,379 INFO L85 PathProgramCache]: Analyzing trace with hash 610625887, now seen corresponding path program 1 times [2024-12-02 15:56:46,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:56:46,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600605048] [2024-12-02 15:56:46,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:56:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:56:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2024-12-02 15:56:51,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:56:51,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600605048] [2024-12-02 15:56:51,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600605048] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:56:51,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712301088] [2024-12-02 15:56:51,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:56:51,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:56:51,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:56:51,923 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:56:51,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:57:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:01,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 10758 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:57:01,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:57:01,891 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 416 proven. 1 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-12-02 15:57:01,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:57:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2024-12-02 15:57:06,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712301088] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:57:06,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:57:06,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 15:57:06,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697822463] [2024-12-02 15:57:06,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:57:06,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:57:06,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:57:06,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:57:06,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:57:06,598 INFO L87 Difference]: Start difference. First operand 7679 states and 10761 transitions. Second operand has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) [2024-12-02 15:57:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:57:07,296 INFO L93 Difference]: Finished difference Result 15338 states and 21495 transitions. [2024-12-02 15:57:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:57:07,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) Word has length 666 [2024-12-02 15:57:07,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:57:07,336 INFO L225 Difference]: With dead ends: 15338 [2024-12-02 15:57:07,336 INFO L226 Difference]: Without dead ends: 7703 [2024-12-02 15:57:07,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1334 GetRequests, 1329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:57:07,356 INFO L435 NwaCegarLoop]: 4664 mSDtfsCounter, 2 mSDsluCounter, 13980 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18644 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:57:07,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18644 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:57:07,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7703 states. [2024-12-02 15:57:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7703 to 7703. [2024-12-02 15:57:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7703 states, 5617 states have (on average 1.2775502937511127) internal successors, (7176), 5723 states have internal predecessors, (7176), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 346 states have return successors, (1873), 1725 states have call predecessors, (1873), 1733 states have call successors, (1873) [2024-12-02 15:57:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7703 states to 7703 states and 10785 transitions. [2024-12-02 15:57:07,810 INFO L78 Accepts]: Start accepts. Automaton has 7703 states and 10785 transitions. Word has length 666 [2024-12-02 15:57:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:57:07,810 INFO L471 AbstractCegarLoop]: Abstraction has 7703 states and 10785 transitions. [2024-12-02 15:57:07,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 67.0) internal successors, (469), 7 states have internal predecessors, (469), 2 states have call successors, (133), 2 states have call predecessors, (133), 2 states have return successors, (129), 2 states have call predecessors, (129), 2 states have call successors, (129) [2024-12-02 15:57:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 7703 states and 10785 transitions. [2024-12-02 15:57:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2024-12-02 15:57:07,820 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:57:07,820 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:57:07,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:57:08,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-02 15:57:08,021 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:57:08,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:57:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1509478613, now seen corresponding path program 2 times [2024-12-02 15:57:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:57:08,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420279150] [2024-12-02 15:57:08,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:57:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:57:12,985 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 15:57:12,985 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:57:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2024-12-02 15:57:15,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:57:15,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420279150] [2024-12-02 15:57:15,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420279150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:57:15,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:57:15,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:57:15,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354935711] [2024-12-02 15:57:15,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:57:15,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:57:15,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:57:15,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:57:15,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:57:15,153 INFO L87 Difference]: Start difference. First operand 7703 states and 10785 transitions. Second operand has 8 states, 8 states have (on average 43.625) internal successors, (349), 7 states have internal predecessors, (349), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 2 states have call predecessors, (79), 1 states have call successors, (79) [2024-12-02 15:57:18,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:57:18,873 INFO L93 Difference]: Finished difference Result 15368 states and 21563 transitions. [2024-12-02 15:57:18,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:57:18,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 43.625) internal successors, (349), 7 states have internal predecessors, (349), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 2 states have call predecessors, (79), 1 states have call successors, (79) Word has length 672 [2024-12-02 15:57:18,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:57:18,925 INFO L225 Difference]: With dead ends: 15368 [2024-12-02 15:57:18,925 INFO L226 Difference]: Without dead ends: 7709 [2024-12-02 15:57:18,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:57:18,952 INFO L435 NwaCegarLoop]: 4616 mSDtfsCounter, 0 mSDsluCounter, 27640 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32256 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:57:18,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32256 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-12-02 15:57:18,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7709 states. [2024-12-02 15:57:19,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7709 to 7709. [2024-12-02 15:57:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7709 states, 5623 states have (on average 1.2772541348034856) internal successors, (7182), 5729 states have internal predecessors, (7182), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 346 states have return successors, (1873), 1725 states have call predecessors, (1873), 1733 states have call successors, (1873) [2024-12-02 15:57:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7709 states to 7709 states and 10791 transitions. [2024-12-02 15:57:19,418 INFO L78 Accepts]: Start accepts. Automaton has 7709 states and 10791 transitions. Word has length 672 [2024-12-02 15:57:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:57:19,419 INFO L471 AbstractCegarLoop]: Abstraction has 7709 states and 10791 transitions. [2024-12-02 15:57:19,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 43.625) internal successors, (349), 7 states have internal predecessors, (349), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (79), 2 states have call predecessors, (79), 1 states have call successors, (79) [2024-12-02 15:57:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 7709 states and 10791 transitions. [2024-12-02 15:57:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2024-12-02 15:57:19,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:57:19,429 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:57:19,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-12-02 15:57:19,429 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:57:19,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:57:19,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1874459489, now seen corresponding path program 1 times [2024-12-02 15:57:19,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:57:19,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637221618] [2024-12-02 15:57:19,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:19,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:57:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2024-12-02 15:57:25,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:57:25,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637221618] [2024-12-02 15:57:25,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637221618] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:57:25,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115286491] [2024-12-02 15:57:25,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:25,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:57:25,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:57:25,691 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:57:25,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:57:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:36,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 10843 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:57:36,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:57:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 416 proven. 16 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2024-12-02 15:57:36,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:57:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 978 trivial. 0 not checked. [2024-12-02 15:57:42,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115286491] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:57:42,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:57:42,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2024-12-02 15:57:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397621897] [2024-12-02 15:57:42,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:57:42,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:57:42,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:57:42,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:57:42,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:57:42,019 INFO L87 Difference]: Start difference. First operand 7709 states and 10791 transitions. Second operand has 12 states, 11 states have (on average 44.81818181818182) internal successors, (493), 11 states have internal predecessors, (493), 3 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2024-12-02 15:57:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:57:45,475 INFO L93 Difference]: Finished difference Result 15402 states and 21559 transitions. [2024-12-02 15:57:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:57:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 44.81818181818182) internal successors, (493), 11 states have internal predecessors, (493), 3 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) Word has length 679 [2024-12-02 15:57:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:57:45,522 INFO L225 Difference]: With dead ends: 15402 [2024-12-02 15:57:45,522 INFO L226 Difference]: Without dead ends: 7725 [2024-12-02 15:57:45,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1363 GetRequests, 1348 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:57:45,541 INFO L435 NwaCegarLoop]: 4619 mSDtfsCounter, 1 mSDsluCounter, 23035 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 27654 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:57:45,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 27654 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 15:57:45,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7725 states. [2024-12-02 15:57:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7725 to 7725. [2024-12-02 15:57:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7725 states, 5639 states have (on average 1.2757581131406277) internal successors, (7194), 5745 states have internal predecessors, (7194), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 346 states have return successors, (1873), 1725 states have call predecessors, (1873), 1733 states have call successors, (1873) [2024-12-02 15:57:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7725 states to 7725 states and 10803 transitions. [2024-12-02 15:57:45,997 INFO L78 Accepts]: Start accepts. Automaton has 7725 states and 10803 transitions. Word has length 679 [2024-12-02 15:57:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:57:45,997 INFO L471 AbstractCegarLoop]: Abstraction has 7725 states and 10803 transitions. [2024-12-02 15:57:45,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 44.81818181818182) internal successors, (493), 11 states have internal predecessors, (493), 3 states have call successors, (137), 2 states have call predecessors, (137), 3 states have return successors, (133), 3 states have call predecessors, (133), 3 states have call successors, (133) [2024-12-02 15:57:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 7725 states and 10803 transitions. [2024-12-02 15:57:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2024-12-02 15:57:46,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:57:46,008 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 9, 9, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:57:46,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:57:46,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-12-02 15:57:46,208 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:57:46,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:57:46,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1969980573, now seen corresponding path program 1 times [2024-12-02 15:57:46,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:57:46,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511464291] [2024-12-02 15:57:46,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:46,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:57:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:57:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1006 trivial. 0 not checked. [2024-12-02 15:57:52,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:57:52,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511464291] [2024-12-02 15:57:52,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511464291] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:57:52,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527793172] [2024-12-02 15:57:52,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:57:52,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:57:52,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:57:52,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:57:52,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 15:58:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:03,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 10886 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:58:03,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:58:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1014 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-12-02 15:58:03,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:58:03,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527793172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:58:03,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:58:03,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-12-02 15:58:03,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990104061] [2024-12-02 15:58:03,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:58:03,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:58:03,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:58:03,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:58:03,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:58:03,953 INFO L87 Difference]: Start difference. First operand 7725 states and 10803 transitions. Second operand has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 15:58:04,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:58:04,935 INFO L93 Difference]: Finished difference Result 15436 states and 21605 transitions. [2024-12-02 15:58:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:58:04,936 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) Word has length 684 [2024-12-02 15:58:04,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:58:04,982 INFO L225 Difference]: With dead ends: 15436 [2024-12-02 15:58:04,982 INFO L226 Difference]: Without dead ends: 7755 [2024-12-02 15:58:05,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:58:05,006 INFO L435 NwaCegarLoop]: 4662 mSDtfsCounter, 0 mSDsluCounter, 23284 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27946 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:58:05,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27946 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:58:05,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7755 states. [2024-12-02 15:58:05,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7755 to 7725. [2024-12-02 15:58:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7725 states, 5639 states have (on average 1.2750487675119702) internal successors, (7190), 5745 states have internal predecessors, (7190), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 346 states have return successors, (1873), 1725 states have call predecessors, (1873), 1733 states have call successors, (1873) [2024-12-02 15:58:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7725 states to 7725 states and 10799 transitions. [2024-12-02 15:58:05,555 INFO L78 Accepts]: Start accepts. Automaton has 7725 states and 10799 transitions. Word has length 684 [2024-12-02 15:58:05,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:58:05,555 INFO L471 AbstractCegarLoop]: Abstraction has 7725 states and 10799 transitions. [2024-12-02 15:58:05,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.142857142857146) internal successors, (372), 6 states have internal predecessors, (372), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 15:58:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 7725 states and 10799 transitions. [2024-12-02 15:58:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2024-12-02 15:58:05,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:58:05,565 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 12, 12, 9, 9, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:58:05,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 15:58:05,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:05,765 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:58:05,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:58:05,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1266008852, now seen corresponding path program 1 times [2024-12-02 15:58:05,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:58:05,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140320060] [2024-12-02 15:58:05,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:05,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:58:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:12,016 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-12-02 15:58:12,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:58:12,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140320060] [2024-12-02 15:58:12,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140320060] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:58:12,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112100902] [2024-12-02 15:58:12,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:12,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:12,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:58:12,018 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:58:12,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 15:58:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:22,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 10864 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:58:22,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:58:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-12-02 15:58:23,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:58:23,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112100902] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:58:23,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:58:23,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-12-02 15:58:23,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489644830] [2024-12-02 15:58:23,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:58:23,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:58:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:58:23,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:58:23,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:58:23,520 INFO L87 Difference]: Start difference. First operand 7725 states and 10799 transitions. Second operand has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 15:58:24,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:58:24,730 INFO L93 Difference]: Finished difference Result 15474 states and 21661 transitions. [2024-12-02 15:58:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:58:24,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) Word has length 680 [2024-12-02 15:58:24,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:58:24,776 INFO L225 Difference]: With dead ends: 15474 [2024-12-02 15:58:24,776 INFO L226 Difference]: Without dead ends: 7793 [2024-12-02 15:58:24,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 676 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:58:24,800 INFO L435 NwaCegarLoop]: 4676 mSDtfsCounter, 15 mSDsluCounter, 23321 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 27997 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:58:24,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 27997 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:58:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7793 states. [2024-12-02 15:58:25,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7793 to 7741. [2024-12-02 15:58:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7741 states, 5651 states have (on average 1.2744646965138913) internal successors, (7202), 5757 states have internal predecessors, (7202), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 348 states have return successors, (1885), 1729 states have call predecessors, (1885), 1735 states have call successors, (1885) [2024-12-02 15:58:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7741 states to 7741 states and 10825 transitions. [2024-12-02 15:58:25,262 INFO L78 Accepts]: Start accepts. Automaton has 7741 states and 10825 transitions. Word has length 680 [2024-12-02 15:58:25,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:58:25,263 INFO L471 AbstractCegarLoop]: Abstraction has 7741 states and 10825 transitions. [2024-12-02 15:58:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 3 states have call successors, (86), 2 states have call predecessors, (86), 3 states have return successors, (82), 4 states have call predecessors, (82), 3 states have call successors, (82) [2024-12-02 15:58:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 7741 states and 10825 transitions. [2024-12-02 15:58:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2024-12-02 15:58:25,274 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:58:25,275 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 17, 17, 17, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:58:25,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 15:58:25,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:25,475 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:58:25,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:58:25,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1907879071, now seen corresponding path program 1 times [2024-12-02 15:58:25,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:58:25,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557373777] [2024-12-02 15:58:25,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:25,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:58:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 7154 trivial. 0 not checked. [2024-12-02 15:58:31,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:58:31,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557373777] [2024-12-02 15:58:31,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557373777] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:58:31,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789518728] [2024-12-02 15:58:31,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:31,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:31,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:58:31,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:58:31,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 15:58:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:42,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 12124 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:58:42,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:58:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 6668 trivial. 0 not checked. [2024-12-02 15:58:42,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:58:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789518728] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:58:42,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:58:42,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-02 15:58:42,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858766856] [2024-12-02 15:58:42,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:58:42,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:58:42,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:58:42,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:58:42,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:58:42,784 INFO L87 Difference]: Start difference. First operand 7741 states and 10825 transitions. Second operand has 5 states, 5 states have (on average 57.8) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 15:58:43,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:58:43,840 INFO L93 Difference]: Finished difference Result 15460 states and 21665 transitions. [2024-12-02 15:58:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:58:43,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) Word has length 942 [2024-12-02 15:58:43,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:58:43,890 INFO L225 Difference]: With dead ends: 15460 [2024-12-02 15:58:43,890 INFO L226 Difference]: Without dead ends: 7763 [2024-12-02 15:58:43,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 941 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:58:43,915 INFO L435 NwaCegarLoop]: 4688 mSDtfsCounter, 17 mSDsluCounter, 13998 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 18686 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:58:43,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 18686 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:58:43,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7763 states. [2024-12-02 15:58:44,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7763 to 7743. [2024-12-02 15:58:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7743 states, 5653 states have (on average 1.274367592428799) internal successors, (7204), 5757 states have internal predecessors, (7204), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 348 states have return successors, (1885), 1731 states have call predecessors, (1885), 1735 states have call successors, (1885) [2024-12-02 15:58:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 10827 transitions. [2024-12-02 15:58:44,453 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 10827 transitions. Word has length 942 [2024-12-02 15:58:44,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:58:44,454 INFO L471 AbstractCegarLoop]: Abstraction has 7743 states and 10827 transitions. [2024-12-02 15:58:44,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.8) internal successors, (289), 4 states have internal predecessors, (289), 2 states have call successors, (89), 2 states have call predecessors, (89), 3 states have return successors, (83), 3 states have call predecessors, (83), 2 states have call successors, (83) [2024-12-02 15:58:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 10827 transitions. [2024-12-02 15:58:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2024-12-02 15:58:44,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:58:44,465 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 15, 15, 15, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:58:44,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 15:58:44,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:44,665 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:58:44,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:58:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash -675066350, now seen corresponding path program 1 times [2024-12-02 15:58:44,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:58:44,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312856987] [2024-12-02 15:58:44,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:44,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:58:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:58:50,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 4810 trivial. 0 not checked. [2024-12-02 15:58:50,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:58:50,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312856987] [2024-12-02 15:58:50,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312856987] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:58:50,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128071978] [2024-12-02 15:58:50,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:58:50,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:58:50,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:58:50,743 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:58:50,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 15:59:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:01,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 11831 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:59:01,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:59:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4820 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4372 trivial. 0 not checked. [2024-12-02 15:59:02,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:59:02,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128071978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:59:02,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:59:02,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-12-02 15:59:02,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247252367] [2024-12-02 15:59:02,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:59:02,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:59:02,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:59:02,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:59:02,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:59:02,099 INFO L87 Difference]: Start difference. First operand 7743 states and 10827 transitions. Second operand has 7 states, 7 states have (on average 41.0) internal successors, (287), 6 states have internal predecessors, (287), 3 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (75), 4 states have call predecessors, (75), 3 states have call successors, (75) [2024-12-02 15:59:03,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:59:03,003 INFO L93 Difference]: Finished difference Result 15450 states and 21611 transitions. [2024-12-02 15:59:03,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:59:03,004 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 41.0) internal successors, (287), 6 states have internal predecessors, (287), 3 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (75), 4 states have call predecessors, (75), 3 states have call successors, (75) Word has length 820 [2024-12-02 15:59:03,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:59:03,050 INFO L225 Difference]: With dead ends: 15450 [2024-12-02 15:59:03,050 INFO L226 Difference]: Without dead ends: 7751 [2024-12-02 15:59:03,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:59:03,072 INFO L435 NwaCegarLoop]: 4663 mSDtfsCounter, 0 mSDsluCounter, 23292 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27955 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:59:03,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27955 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:59:03,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2024-12-02 15:59:03,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7747. [2024-12-02 15:59:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7747 states, 5657 states have (on average 1.2741735902421778) internal successors, (7208), 5759 states have internal predecessors, (7208), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 348 states have return successors, (1885), 1733 states have call predecessors, (1885), 1735 states have call successors, (1885) [2024-12-02 15:59:03,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7747 states to 7747 states and 10831 transitions. [2024-12-02 15:59:03,533 INFO L78 Accepts]: Start accepts. Automaton has 7747 states and 10831 transitions. Word has length 820 [2024-12-02 15:59:03,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:59:03,534 INFO L471 AbstractCegarLoop]: Abstraction has 7747 states and 10831 transitions. [2024-12-02 15:59:03,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.0) internal successors, (287), 6 states have internal predecessors, (287), 3 states have call successors, (81), 2 states have call predecessors, (81), 3 states have return successors, (75), 4 states have call predecessors, (75), 3 states have call successors, (75) [2024-12-02 15:59:03,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7747 states and 10831 transitions. [2024-12-02 15:59:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2024-12-02 15:59:03,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:59:03,544 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 17, 17, 17, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:59:03,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 15:59:03,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:59:03,745 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:59:03,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:59:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash 389781256, now seen corresponding path program 1 times [2024-12-02 15:59:03,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:59:03,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448534085] [2024-12-02 15:59:03,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:03,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:59:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:09,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7169 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 7155 trivial. 0 not checked. [2024-12-02 15:59:09,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:59:09,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448534085] [2024-12-02 15:59:09,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448534085] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:59:09,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410365016] [2024-12-02 15:59:09,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:09,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:59:09,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:59:09,994 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:59:09,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 15:59:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:21,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 12107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:59:21,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:59:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7169 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 6672 trivial. 0 not checked. [2024-12-02 15:59:22,016 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:59:22,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410365016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:59:22,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:59:22,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 15:59:22,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629852460] [2024-12-02 15:59:22,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:59:22,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:59:22,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:59:22,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:59:22,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:59:22,018 INFO L87 Difference]: Start difference. First operand 7747 states and 10831 transitions. Second operand has 8 states, 8 states have (on average 35.375) internal successors, (283), 6 states have internal predecessors, (283), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 15:59:23,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:59:23,602 INFO L93 Difference]: Finished difference Result 15474 states and 21769 transitions. [2024-12-02 15:59:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:59:23,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 35.375) internal successors, (283), 6 states have internal predecessors, (283), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) Word has length 939 [2024-12-02 15:59:23,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:59:23,655 INFO L225 Difference]: With dead ends: 15474 [2024-12-02 15:59:23,655 INFO L226 Difference]: Without dead ends: 7771 [2024-12-02 15:59:23,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 934 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:59:23,679 INFO L435 NwaCegarLoop]: 4715 mSDtfsCounter, 0 mSDsluCounter, 28183 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32898 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:59:23,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32898 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:59:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7771 states. [2024-12-02 15:59:24,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7771 to 7753. [2024-12-02 15:59:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7753 states, 5661 states have (on average 1.2739798622151564) internal successors, (7212), 5763 states have internal predecessors, (7212), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 350 states have return successors, (1973), 1735 states have call predecessors, (1973), 1735 states have call successors, (1973) [2024-12-02 15:59:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7753 states to 7753 states and 10923 transitions. [2024-12-02 15:59:24,235 INFO L78 Accepts]: Start accepts. Automaton has 7753 states and 10923 transitions. Word has length 939 [2024-12-02 15:59:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:59:24,236 INFO L471 AbstractCegarLoop]: Abstraction has 7753 states and 10923 transitions. [2024-12-02 15:59:24,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 35.375) internal successors, (283), 6 states have internal predecessors, (283), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 15:59:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 7753 states and 10923 transitions. [2024-12-02 15:59:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2024-12-02 15:59:24,247 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:59:24,247 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 17, 17, 17, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:59:24,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 15:59:24,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-12-02 15:59:24,448 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:59:24,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:59:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1790185165, now seen corresponding path program 1 times [2024-12-02 15:59:24,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:59:24,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123132327] [2024-12-02 15:59:24,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:59:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 7154 trivial. 0 not checked. [2024-12-02 15:59:30,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:59:30,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123132327] [2024-12-02 15:59:30,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123132327] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:59:30,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695438881] [2024-12-02 15:59:30,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:59:30,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:59:30,581 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:59:30,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 15:59:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:42,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 12125 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:59:42,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:59:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 6671 trivial. 0 not checked. [2024-12-02 15:59:42,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:59:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695438881] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:59:42,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:59:42,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 15:59:42,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084177599] [2024-12-02 15:59:42,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:59:42,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:59:42,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:59:42,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:59:42,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:59:42,886 INFO L87 Difference]: Start difference. First operand 7753 states and 10923 transitions. Second operand has 8 states, 8 states have (on average 36.0) internal successors, (288), 6 states have internal predecessors, (288), 3 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (84), 5 states have call predecessors, (84), 3 states have call successors, (84) [2024-12-02 15:59:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:59:44,432 INFO L93 Difference]: Finished difference Result 15500 states and 21975 transitions. [2024-12-02 15:59:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:59:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 36.0) internal successors, (288), 6 states have internal predecessors, (288), 3 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (84), 5 states have call predecessors, (84), 3 states have call successors, (84) Word has length 946 [2024-12-02 15:59:44,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:59:44,487 INFO L225 Difference]: With dead ends: 15500 [2024-12-02 15:59:44,487 INFO L226 Difference]: Without dead ends: 7791 [2024-12-02 15:59:44,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 950 GetRequests, 941 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:59:44,512 INFO L435 NwaCegarLoop]: 4715 mSDtfsCounter, 0 mSDsluCounter, 28183 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32898 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:59:44,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32898 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 15:59:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7791 states. [2024-12-02 15:59:44,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7791 to 7753. [2024-12-02 15:59:44,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7753 states, 5661 states have (on average 1.2739798622151564) internal successors, (7212), 5763 states have internal predecessors, (7212), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 350 states have return successors, (1973), 1735 states have call predecessors, (1973), 1735 states have call successors, (1973) [2024-12-02 15:59:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7753 states to 7753 states and 10923 transitions. [2024-12-02 15:59:44,993 INFO L78 Accepts]: Start accepts. Automaton has 7753 states and 10923 transitions. Word has length 946 [2024-12-02 15:59:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:59:44,993 INFO L471 AbstractCegarLoop]: Abstraction has 7753 states and 10923 transitions. [2024-12-02 15:59:44,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 36.0) internal successors, (288), 6 states have internal predecessors, (288), 3 states have call successors, (90), 2 states have call predecessors, (90), 4 states have return successors, (84), 5 states have call predecessors, (84), 3 states have call successors, (84) [2024-12-02 15:59:44,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7753 states and 10923 transitions. [2024-12-02 15:59:45,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2024-12-02 15:59:45,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:59:45,004 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 15, 15, 15, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:59:45,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 15:59:45,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:59:45,205 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:59:45,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:59:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1212086929, now seen corresponding path program 1 times [2024-12-02 15:59:45,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:59:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535684385] [2024-12-02 15:59:45,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:59:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5003 trivial. 0 not checked. [2024-12-02 15:59:50,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:59:50,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535684385] [2024-12-02 15:59:50,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535684385] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:59:50,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:59:50,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:59:50,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638048524] [2024-12-02 15:59:50,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:59:50,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:59:50,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:59:50,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:59:50,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:59:50,751 INFO L87 Difference]: Start difference. First operand 7753 states and 10923 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:59:51,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:59:51,255 INFO L93 Difference]: Finished difference Result 15464 states and 21811 transitions. [2024-12-02 15:59:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:59:51,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 864 [2024-12-02 15:59:51,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:59:51,307 INFO L225 Difference]: With dead ends: 15464 [2024-12-02 15:59:51,308 INFO L226 Difference]: Without dead ends: 7755 [2024-12-02 15:59:51,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:59:51,331 INFO L435 NwaCegarLoop]: 4664 mSDtfsCounter, 0 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9322 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:59:51,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9322 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:59:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7755 states. [2024-12-02 15:59:51,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7755 to 7755. [2024-12-02 15:59:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7755 states, 5663 states have (on average 1.2738831008299487) internal successors, (7214), 5765 states have internal predecessors, (7214), 1738 states have call successors, (1738), 341 states have call predecessors, (1738), 350 states have return successors, (1973), 1735 states have call predecessors, (1973), 1735 states have call successors, (1973) [2024-12-02 15:59:51,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7755 states to 7755 states and 10925 transitions. [2024-12-02 15:59:51,816 INFO L78 Accepts]: Start accepts. Automaton has 7755 states and 10925 transitions. Word has length 864 [2024-12-02 15:59:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:59:51,816 INFO L471 AbstractCegarLoop]: Abstraction has 7755 states and 10925 transitions. [2024-12-02 15:59:51,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:59:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7755 states and 10925 transitions. [2024-12-02 15:59:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2024-12-02 15:59:51,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:59:51,832 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 10, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:59:51,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-12-02 15:59:51,832 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 15:59:51,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:59:51,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1361614184, now seen corresponding path program 1 times [2024-12-02 15:59:51,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:59:51,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44732407] [2024-12-02 15:59:51,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:51,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:59:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:59:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2024-12-02 15:59:58,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:59:58,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44732407] [2024-12-02 15:59:58,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44732407] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:59:58,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200760264] [2024-12-02 15:59:58,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:59:58,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:59:58,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:59:58,304 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:59:58,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 16:00:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:09,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 11108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 16:00:09,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 16:00:10,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-12-02 16:00:10,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 16:00:10,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200760264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:00:10,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 16:00:10,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-12-02 16:00:10,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090810758] [2024-12-02 16:00:10,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:00:10,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 16:00:10,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:00:10,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 16:00:10,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 16:00:10,187 INFO L87 Difference]: Start difference. First operand 7755 states and 10925 transitions. Second operand has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2024-12-02 16:00:11,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:00:11,039 INFO L93 Difference]: Finished difference Result 15520 states and 21869 transitions. [2024-12-02 16:00:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 16:00:11,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) Word has length 727 [2024-12-02 16:00:11,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:00:11,089 INFO L225 Difference]: With dead ends: 15520 [2024-12-02 16:00:11,089 INFO L226 Difference]: Without dead ends: 7809 [2024-12-02 16:00:11,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 16:00:11,111 INFO L435 NwaCegarLoop]: 4687 mSDtfsCounter, 15 mSDsluCounter, 9323 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 14010 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 16:00:11,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 14010 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 16:00:11,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7809 states. [2024-12-02 16:00:11,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7809 to 7755. [2024-12-02 16:00:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7755 states, 5665 states have (on average 1.2737864077669903) internal successors, (7216), 5767 states have internal predecessors, (7216), 1736 states have call successors, (1736), 341 states have call predecessors, (1736), 350 states have return successors, (1971), 1733 states have call predecessors, (1971), 1733 states have call successors, (1971) [2024-12-02 16:00:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7755 states to 7755 states and 10923 transitions. [2024-12-02 16:00:11,582 INFO L78 Accepts]: Start accepts. Automaton has 7755 states and 10923 transitions. Word has length 727 [2024-12-02 16:00:11,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:00:11,582 INFO L471 AbstractCegarLoop]: Abstraction has 7755 states and 10923 transitions. [2024-12-02 16:00:11,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 96.5) internal successors, (386), 4 states have internal predecessors, (386), 2 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2024-12-02 16:00:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7755 states and 10923 transitions. [2024-12-02 16:00:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2024-12-02 16:00:11,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:00:11,594 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 15, 15, 15, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:00:11,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 16:00:11,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 16:00:11,795 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 16:00:11,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:00:11,795 INFO L85 PathProgramCache]: Analyzing trace with hash -43499757, now seen corresponding path program 1 times [2024-12-02 16:00:11,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:00:11,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727542109] [2024-12-02 16:00:11,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:11,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:00:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5003 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5003 trivial. 0 not checked. [2024-12-02 16:00:18,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:00:18,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727542109] [2024-12-02 16:00:18,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727542109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:00:18,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 16:00:18,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 16:00:18,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67161768] [2024-12-02 16:00:18,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:00:18,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 16:00:18,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:00:18,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 16:00:18,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 16:00:18,188 INFO L87 Difference]: Start difference. First operand 7755 states and 10923 transitions. Second operand has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 16:00:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:00:19,022 INFO L93 Difference]: Finished difference Result 15490 states and 21833 transitions. [2024-12-02 16:00:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 16:00:19,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) Word has length 864 [2024-12-02 16:00:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:00:19,077 INFO L225 Difference]: With dead ends: 15490 [2024-12-02 16:00:19,077 INFO L226 Difference]: Without dead ends: 7779 [2024-12-02 16:00:19,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 16:00:19,100 INFO L435 NwaCegarLoop]: 4662 mSDtfsCounter, 4 mSDsluCounter, 23289 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 27951 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 16:00:19,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 27951 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 16:00:19,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7779 states. [2024-12-02 16:00:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7779 to 7779. [2024-12-02 16:00:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7779 states, 5685 states have (on average 1.2738786279683378) internal successors, (7242), 5785 states have internal predecessors, (7242), 1740 states have call successors, (1740), 341 states have call predecessors, (1740), 350 states have return successors, (1975), 1739 states have call predecessors, (1975), 1737 states have call successors, (1975) [2024-12-02 16:00:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7779 states to 7779 states and 10957 transitions. [2024-12-02 16:00:19,578 INFO L78 Accepts]: Start accepts. Automaton has 7779 states and 10957 transitions. Word has length 864 [2024-12-02 16:00:19,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:00:19,579 INFO L471 AbstractCegarLoop]: Abstraction has 7779 states and 10957 transitions. [2024-12-02 16:00:19,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.42857142857143) internal successors, (290), 6 states have internal predecessors, (290), 3 states have call successors, (83), 2 states have call predecessors, (83), 3 states have return successors, (77), 4 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 16:00:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 7779 states and 10957 transitions. [2024-12-02 16:00:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2024-12-02 16:00:19,590 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:00:19,590 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 15, 15, 15, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:00:19,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-12-02 16:00:19,590 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 16:00:19,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:00:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash 654023032, now seen corresponding path program 1 times [2024-12-02 16:00:19,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:00:19,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462549515] [2024-12-02 16:00:19,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:19,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:00:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5165 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 5155 trivial. 0 not checked. [2024-12-02 16:00:25,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:00:25,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462549515] [2024-12-02 16:00:25,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462549515] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 16:00:25,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272431936] [2024-12-02 16:00:25,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:25,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 16:00:25,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 16:00:25,842 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 16:00:25,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 16:00:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:37,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 12067 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 16:00:37,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 16:00:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 5165 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 4408 trivial. 0 not checked. [2024-12-02 16:00:39,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 16:00:39,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272431936] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:00:39,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 16:00:39,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-12-02 16:00:39,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719494934] [2024-12-02 16:00:39,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:00:39,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 16:00:39,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:00:39,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 16:00:39,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-12-02 16:00:39,116 INFO L87 Difference]: Start difference. First operand 7779 states and 10957 transitions. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 8 states have internal predecessors, (312), 4 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 6 states have call predecessors, (83), 4 states have call successors, (83) [2024-12-02 16:00:40,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:00:40,685 INFO L93 Difference]: Finished difference Result 15522 states and 21883 transitions. [2024-12-02 16:00:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 16:00:40,685 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 8 states have internal predecessors, (312), 4 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 6 states have call predecessors, (83), 4 states have call successors, (83) Word has length 873 [2024-12-02 16:00:40,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:00:40,740 INFO L225 Difference]: With dead ends: 15522 [2024-12-02 16:00:40,740 INFO L226 Difference]: Without dead ends: 7787 [2024-12-02 16:00:40,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-12-02 16:00:40,765 INFO L435 NwaCegarLoop]: 4687 mSDtfsCounter, 4 mSDsluCounter, 37440 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 42127 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 16:00:40,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 42127 Invalid, 97 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 16:00:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7787 states. [2024-12-02 16:00:41,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7787 to 7783. [2024-12-02 16:00:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7783 states, 5687 states have (on average 1.273430631264287) internal successors, (7242), 5789 states have internal predecessors, (7242), 1740 states have call successors, (1740), 341 states have call predecessors, (1740), 352 states have return successors, (1985), 1739 states have call predecessors, (1985), 1737 states have call successors, (1985) [2024-12-02 16:00:41,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7783 states to 7783 states and 10967 transitions. [2024-12-02 16:00:41,302 INFO L78 Accepts]: Start accepts. Automaton has 7783 states and 10967 transitions. Word has length 873 [2024-12-02 16:00:41,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:00:41,303 INFO L471 AbstractCegarLoop]: Abstraction has 7783 states and 10967 transitions. [2024-12-02 16:00:41,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 8 states have internal predecessors, (312), 4 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 6 states have call predecessors, (83), 4 states have call successors, (83) [2024-12-02 16:00:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 7783 states and 10967 transitions. [2024-12-02 16:00:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2024-12-02 16:00:41,314 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:00:41,315 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 17, 17, 17, 10, 10, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:00:41,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-02 16:00:41,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-12-02 16:00:41,515 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 16:00:41,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:00:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash 962437625, now seen corresponding path program 1 times [2024-12-02 16:00:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:00:41,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477415568] [2024-12-02 16:00:41,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:41,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:00:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:00:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7169 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 7155 trivial. 0 not checked. [2024-12-02 16:00:48,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:00:48,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477415568] [2024-12-02 16:00:48,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477415568] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 16:00:48,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945891244] [2024-12-02 16:00:48,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:00:48,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 16:00:48,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 16:00:48,361 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 16:00:48,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-02 16:01:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:01:00,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 12093 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 16:01:00,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 16:01:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7169 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 6672 trivial. 0 not checked. [2024-12-02 16:01:01,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 16:01:01,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945891244] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:01:01,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 16:01:01,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 16:01:01,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373137447] [2024-12-02 16:01:01,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:01:01,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 16:01:01,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:01:01,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 16:01:01,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 16:01:01,482 INFO L87 Difference]: Start difference. First operand 7783 states and 10967 transitions. Second operand has 8 states, 8 states have (on average 35.5) internal successors, (284), 6 states have internal predecessors, (284), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 16:01:03,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:01:03,051 INFO L93 Difference]: Finished difference Result 15560 states and 22063 transitions. [2024-12-02 16:01:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 16:01:03,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 35.5) internal successors, (284), 6 states have internal predecessors, (284), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) Word has length 940 [2024-12-02 16:01:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:01:03,111 INFO L225 Difference]: With dead ends: 15560 [2024-12-02 16:01:03,111 INFO L226 Difference]: Without dead ends: 7821 [2024-12-02 16:01:03,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 935 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 16:01:03,137 INFO L435 NwaCegarLoop]: 4715 mSDtfsCounter, 0 mSDsluCounter, 28183 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32898 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 16:01:03,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32898 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 16:01:03,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7821 states. [2024-12-02 16:01:03,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7821 to 7783. [2024-12-02 16:01:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7783 states, 5687 states have (on average 1.273430631264287) internal successors, (7242), 5789 states have internal predecessors, (7242), 1740 states have call successors, (1740), 341 states have call predecessors, (1740), 352 states have return successors, (1985), 1739 states have call predecessors, (1985), 1737 states have call successors, (1985) [2024-12-02 16:01:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7783 states to 7783 states and 10967 transitions. [2024-12-02 16:01:03,701 INFO L78 Accepts]: Start accepts. Automaton has 7783 states and 10967 transitions. Word has length 940 [2024-12-02 16:01:03,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:01:03,702 INFO L471 AbstractCegarLoop]: Abstraction has 7783 states and 10967 transitions. [2024-12-02 16:01:03,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 35.5) internal successors, (284), 6 states have internal predecessors, (284), 3 states have call successors, (89), 2 states have call predecessors, (89), 4 states have return successors, (83), 5 states have call predecessors, (83), 3 states have call successors, (83) [2024-12-02 16:01:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7783 states and 10967 transitions. [2024-12-02 16:01:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2024-12-02 16:01:03,714 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:01:03,714 INFO L218 NwaCegarLoop]: trace histogram [72, 72, 15, 15, 15, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:01:03,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-02 16:01:03,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-12-02 16:01:03,915 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 16:01:03,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:01:03,915 INFO L85 PathProgramCache]: Analyzing trace with hash -952266913, now seen corresponding path program 1 times [2024-12-02 16:01:03,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:01:03,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620726819] [2024-12-02 16:01:03,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:01:03,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:01:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:01:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9254 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9240 trivial. 0 not checked. [2024-12-02 16:01:09,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:01:09,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620726819] [2024-12-02 16:01:09,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620726819] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 16:01:09,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661755076] [2024-12-02 16:01:09,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:01:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 16:01:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 16:01:09,887 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 16:01:09,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-02 16:01:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:01:22,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 13133 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-02 16:01:22,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 16:01:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9254 backedges. 363 proven. 3 refuted. 0 times theorem prover too weak. 8888 trivial. 0 not checked. [2024-12-02 16:01:23,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 16:01:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9254 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 9188 trivial. 0 not checked. [2024-12-02 16:01:37,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661755076] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 16:01:37,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 16:01:37,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 8] total 17 [2024-12-02 16:01:37,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818275202] [2024-12-02 16:01:37,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 16:01:37,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 16:01:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:01:37,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 16:01:37,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-12-02 16:01:37,417 INFO L87 Difference]: Start difference. First operand 7783 states and 10967 transitions. Second operand has 17 states, 16 states have (on average 24.1875) internal successors, (387), 14 states have internal predecessors, (387), 5 states have call successors, (116), 2 states have call predecessors, (116), 6 states have return successors, (112), 7 states have call predecessors, (112), 5 states have call successors, (112) [2024-12-02 16:01:42,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 16:01:42,022 INFO L93 Difference]: Finished difference Result 15530 states and 21961 transitions. [2024-12-02 16:01:42,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 16:01:42,023 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 24.1875) internal successors, (387), 14 states have internal predecessors, (387), 5 states have call successors, (116), 2 states have call predecessors, (116), 6 states have return successors, (112), 7 states have call predecessors, (112), 5 states have call successors, (112) Word has length 1032 [2024-12-02 16:01:42,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 16:01:42,082 INFO L225 Difference]: With dead ends: 15530 [2024-12-02 16:01:42,082 INFO L226 Difference]: Without dead ends: 7791 [2024-12-02 16:01:42,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2067 GetRequests, 2052 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-12-02 16:01:42,108 INFO L435 NwaCegarLoop]: 4631 mSDtfsCounter, 296 mSDsluCounter, 55282 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 59913 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-12-02 16:01:42,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 59913 Invalid, 547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-12-02 16:01:42,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7791 states. [2024-12-02 16:01:42,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7791 to 7787. [2024-12-02 16:01:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7787 states, 5691 states have (on average 1.2728870145844315) internal successors, (7244), 5789 states have internal predecessors, (7244), 1740 states have call successors, (1740), 341 states have call predecessors, (1740), 352 states have return successors, (1985), 1741 states have call predecessors, (1985), 1737 states have call successors, (1985) [2024-12-02 16:01:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7787 states to 7787 states and 10969 transitions. [2024-12-02 16:01:42,792 INFO L78 Accepts]: Start accepts. Automaton has 7787 states and 10969 transitions. Word has length 1032 [2024-12-02 16:01:42,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 16:01:42,792 INFO L471 AbstractCegarLoop]: Abstraction has 7787 states and 10969 transitions. [2024-12-02 16:01:42,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 24.1875) internal successors, (387), 14 states have internal predecessors, (387), 5 states have call successors, (116), 2 states have call predecessors, (116), 6 states have return successors, (112), 7 states have call predecessors, (112), 5 states have call successors, (112) [2024-12-02 16:01:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7787 states and 10969 transitions. [2024-12-02 16:01:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2024-12-02 16:01:42,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 16:01:42,811 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 17, 17, 17, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 16:01:42,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-02 16:01:43,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744a26bd-c2a7-4cb2-b21c-4c10479c9bf6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-12-02 16:01:43,012 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 16:01:43,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 16:01:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash 965338676, now seen corresponding path program 1 times [2024-12-02 16:01:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 16:01:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176992393] [2024-12-02 16:01:43,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 16:01:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 16:01:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 16:01:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4796 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4786 trivial. 0 not checked. [2024-12-02 16:01:49,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 16:01:49,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176992393] [2024-12-02 16:01:49,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176992393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 16:01:49,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 16:01:49,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 16:01:49,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950674349] [2024-12-02 16:01:49,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 16:01:49,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 16:01:49,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 16:01:49,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 16:01:49,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 16:01:49,342 INFO L87 Difference]: Start difference. First operand 7787 states and 10969 transitions. Second operand has 7 states, 7 states have (on average 32.142857142857146) internal successors, (225), 6 states have internal predecessors, (225), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60)