./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:26:48,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:26:48,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:26:48,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:26:48,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:26:48,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:26:48,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:26:48,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:26:48,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:26:48,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:26:48,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:26:48,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:26:48,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:26:48,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:26:48,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:26:48,697 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:26:48,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:48,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:48,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:26:48,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:26:48,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:26:48,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:26:48,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:26:48,699 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/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 -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2024-12-02 06:26:48,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:26:48,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:26:48,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:26:48,917 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:26:48,917 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:26:48,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-12-02 06:26:51,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/data/55002eca1/3f45d97d8b9e4cb0b89fac54f4a94acd/FLAG3dd2f6b4b [2024-12-02 06:26:51,976 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:26:51,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-12-02 06:26:52,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/data/55002eca1/3f45d97d8b9e4cb0b89fac54f4a94acd/FLAG3dd2f6b4b [2024-12-02 06:26:52,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/data/55002eca1/3f45d97d8b9e4cb0b89fac54f4a94acd [2024-12-02 06:26:52,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:26:52,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:26:52,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:26:52,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:26:52,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:26:52,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:52" (1/1) ... [2024-12-02 06:26:52,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b6698c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:52, skipping insertion in model container [2024-12-02 06:26:52,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:26:52" (1/1) ... [2024-12-02 06:26:52,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:26:54,295 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2024-12-02 06:26:54,297 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2024-12-02 06:26:54,298 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2024-12-02 06:26:54,298 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2024-12-02 06:26:54,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:26:54,354 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:26:54,459 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"); [5245] [2024-12-02 06:26:54,461 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)); [5252] [2024-12-02 06:26:54,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2024-12-02 06:26:54,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2024-12-02 06:26:54,466 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"); [5315-5317] [2024-12-02 06:26:54,474 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)); [5476-5477] [2024-12-02 06:26:54,476 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)); [5510-5511] [2024-12-02 06:26:54,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2024-12-02 06:26:54,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2024-12-02 06:26:54,685 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2024-12-02 06:26:54,685 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2024-12-02 06:26:54,686 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2024-12-02 06:26:54,686 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_8b9972d5-ad48-4028-9d8d-921cc3d6f856/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2024-12-02 06:26:54,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:26:54,852 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:26:54,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54 WrapperNode [2024-12-02 06:26:54,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:26:54,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:26:54,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:26:54,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:26:54,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:54,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:55,046 INFO L138 Inliner]: procedures = 421, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6148 [2024-12-02 06:26:55,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:26:55,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:26:55,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:26:55,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:26:55,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:55,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:55,078 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:55,944 INFO L175 MemorySlicer]: Split 1041 memory accesses to 23 slices as follows [3, 3, 4, 5, 5, 5, 1, 2, 2, 5, 2, 853, 1, 2, 4, 13, 56, 3, 5, 5, 6, 52, 4]. 82 percent of accesses are in the largest equivalence class. The 65 initializations are split as follows [3, 1, 0, 5, 5, 5, 0, 0, 0, 5, 0, 17, 1, 2, 4, 0, 0, 3, 5, 5, 0, 0, 4]. The 473 writes are split as follows [0, 0, 3, 0, 0, 0, 0, 1, 1, 0, 1, 360, 0, 0, 0, 5, 56, 0, 0, 0, 4, 42, 0]. [2024-12-02 06:26:55,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:55,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:26:56,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:26:56,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:26:56,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:26:56,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (1/1) ... [2024-12-02 06:26:56,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:26:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:26:56,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:26:56,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9972d5-ad48-4028-9d8d-921cc3d6f856/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:26:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 06:26:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 06:26:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:26:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:26:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 06:26:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 06:26:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2024-12-02 06:26:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2024-12-02 06:26:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 06:26:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-12-02 06:26:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 06:26:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:26:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2024-12-02 06:26:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 06:26:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:26:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:26:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2024-12-02 06:26:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2024-12-02 06:26:56,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 06:26:56,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:26:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2024-12-02 06:26:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-12-02 06:26:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:26:56,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2024-12-02 06:26:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2024-12-02 06:26:56,246 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 06:26:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:26:56,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:26:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:26:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-12-02 06:26:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:26:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 06:26:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:26:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-12-02 06:26:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:26:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 06:26:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2024-12-02 06:26:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2024-12-02 06:26:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:26:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:26:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:26:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 06:26:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 06:26:56,253 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2024-12-02 06:26:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 06:26:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 06:26:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-12-02 06:26:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 06:26:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:26:56,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 06:26:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 06:26:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:26:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2024-12-02 06:26:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2024-12-02 06:26:56,255 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 06:26:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:26:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-12-02 06:26:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 06:26:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-12-02 06:26:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:26:56,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:26:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-12-02 06:26:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2024-12-02 06:26:56,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2024-12-02 06:26:56,257 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2024-12-02 06:26:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:26:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 06:26:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 06:26:56,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:26:56,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 06:26:56,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:26:56,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:26:57,073 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:26:57,076 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:26:57,096 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:27:08,371 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:27:09,054 INFO L? ?]: Removed 2337 outVars from TransFormulas that were not future-live. [2024-12-02 06:27:09,054 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:27:09,096 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:27:09,096 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:27:09,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:09 BoogieIcfgContainer [2024-12-02 06:27:09,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:27:09,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:27:09,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:27:09,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:27:09,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:26:52" (1/3) ... [2024-12-02 06:27:09,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cba4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:09, skipping insertion in model container [2024-12-02 06:27:09,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:26:54" (2/3) ... [2024-12-02 06:27:09,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cba4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:09, skipping insertion in model container [2024-12-02 06:27:09,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:09" (3/3) ... [2024-12-02 06:27:09,105 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2024-12-02 06:27:09,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:27:09,120 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i that has 85 procedures, 2243 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-12-02 06:27:09,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:27:09,209 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;@856696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:27:09,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 06:27:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 2241 states, 1695 states have (on average 1.3640117994100296) internal successors, (2312), 1718 states have internal predecessors, (2312), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2024-12-02 06:27:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 06:27:09,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:09,230 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:09,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:27:09,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:09,234 INFO L85 PathProgramCache]: Analyzing trace with hash -327425371, now seen corresponding path program 1 times [2024-12-02 06:27:09,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:09,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844028566] [2024-12-02 06:27:09,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:09,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 06:27:15,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:15,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844028566] [2024-12-02 06:27:15,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844028566] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:15,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:15,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:15,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84793987] [2024-12-02 06:27:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:15,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:15,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:15,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:15,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:15,873 INFO L87 Difference]: Start difference. First operand has 2241 states, 1695 states have (on average 1.3640117994100296) internal successors, (2312), 1718 states have internal predecessors, (2312), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:27:19,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:27:20,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:20,775 INFO L93 Difference]: Finished difference Result 6562 states and 9670 transitions. [2024-12-02 06:27:20,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:20,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-12-02 06:27:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:20,811 INFO L225 Difference]: With dead ends: 6562 [2024-12-02 06:27:20,812 INFO L226 Difference]: Without dead ends: 4332 [2024-12-02 06:27:20,826 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 06:27:20,828 INFO L435 NwaCegarLoop]: 3190 mSDtfsCounter, 3040 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:20,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 6275 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:27:20,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2024-12-02 06:27:21,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4328. [2024-12-02 06:27:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3299 states have (on average 1.3349499848438922) internal successors, (4404), 3344 states have internal predecessors, (4404), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2024-12-02 06:27:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 6128 transitions. [2024-12-02 06:27:21,057 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 6128 transitions. Word has length 116 [2024-12-02 06:27:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:21,058 INFO L471 AbstractCegarLoop]: Abstraction has 4328 states and 6128 transitions. [2024-12-02 06:27:21,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:27:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 6128 transitions. [2024-12-02 06:27:21,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 06:27:21,063 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:21,063 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:27:21,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:27:21,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1325677422, now seen corresponding path program 1 times [2024-12-02 06:27:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:21,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772040592] [2024-12-02 06:27:21,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:21,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 06:27:26,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:26,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772040592] [2024-12-02 06:27:26,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772040592] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:26,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:26,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:26,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249868237] [2024-12-02 06:27:26,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:26,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:26,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:26,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:26,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:26,993 INFO L87 Difference]: Start difference. First operand 4328 states and 6128 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:27:31,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:27:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:31,877 INFO L93 Difference]: Finished difference Result 12850 states and 18214 transitions. [2024-12-02 06:27:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:31,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-12-02 06:27:31,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:31,924 INFO L225 Difference]: With dead ends: 12850 [2024-12-02 06:27:31,924 INFO L226 Difference]: Without dead ends: 8543 [2024-12-02 06:27:31,942 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 06:27:31,942 INFO L435 NwaCegarLoop]: 3170 mSDtfsCounter, 3093 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:31,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 6269 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:27:31,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8543 states. [2024-12-02 06:27:32,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8543 to 8513. [2024-12-02 06:27:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8513 states, 6513 states have (on average 1.3373253493013972) internal successors, (8710), 6607 states have internal predecessors, (8710), 1676 states have call successors, (1676), 324 states have call predecessors, (1676), 321 states have return successors, (1682), 1625 states have call predecessors, (1682), 1672 states have call successors, (1682) [2024-12-02 06:27:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8513 states to 8513 states and 12068 transitions. [2024-12-02 06:27:32,227 INFO L78 Accepts]: Start accepts. Automaton has 8513 states and 12068 transitions. Word has length 122 [2024-12-02 06:27:32,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:32,228 INFO L471 AbstractCegarLoop]: Abstraction has 8513 states and 12068 transitions. [2024-12-02 06:27:32,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:27:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8513 states and 12068 transitions. [2024-12-02 06:27:32,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-02 06:27:32,230 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:32,231 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:32,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:27:32,231 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:27:32,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:32,231 INFO L85 PathProgramCache]: Analyzing trace with hash -565710973, now seen corresponding path program 1 times [2024-12-02 06:27:32,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:32,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13378978] [2024-12-02 06:27:32,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:32,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 06:27:38,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:38,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13378978] [2024-12-02 06:27:38,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13378978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:38,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:38,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:38,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557315752] [2024-12-02 06:27:38,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:38,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:38,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:38,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:38,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:38,545 INFO L87 Difference]: Start difference. First operand 8513 states and 12068 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:27:42,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:27:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:43,411 INFO L93 Difference]: Finished difference Result 24107 states and 34080 transitions. [2024-12-02 06:27:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:43,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2024-12-02 06:27:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:43,495 INFO L225 Difference]: With dead ends: 24107 [2024-12-02 06:27:43,495 INFO L226 Difference]: Without dead ends: 15615 [2024-12-02 06:27:43,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:43,529 INFO L435 NwaCegarLoop]: 3371 mSDtfsCounter, 2636 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2636 SdHoareTripleChecker+Valid, 6462 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:43,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2636 Valid, 6462 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 06:27:43,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15615 states. [2024-12-02 06:27:43,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15615 to 15581. [2024-12-02 06:27:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15581 states, 11903 states have (on average 1.3321011509703435) internal successors, (15856), 12085 states have internal predecessors, (15856), 3056 states have call successors, (3056), 626 states have call predecessors, (3056), 619 states have return successors, (3078), 2953 states have call predecessors, (3078), 3052 states have call successors, (3078) [2024-12-02 06:27:44,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15581 states to 15581 states and 21990 transitions. [2024-12-02 06:27:44,039 INFO L78 Accepts]: Start accepts. Automaton has 15581 states and 21990 transitions. Word has length 122 [2024-12-02 06:27:44,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:44,040 INFO L471 AbstractCegarLoop]: Abstraction has 15581 states and 21990 transitions. [2024-12-02 06:27:44,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 06:27:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 15581 states and 21990 transitions. [2024-12-02 06:27:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 06:27:44,042 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:44,042 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:44,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:27:44,042 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:27:44,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1124795088, now seen corresponding path program 1 times [2024-12-02 06:27:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:44,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672198335] [2024-12-02 06:27:44,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:27:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:27:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 06:27:49,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:27:49,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672198335] [2024-12-02 06:27:49,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672198335] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:27:49,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:27:49,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:27:49,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942457610] [2024-12-02 06:27:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:27:49,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:27:49,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:27:49,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:27:49,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:27:49,956 INFO L87 Difference]: Start difference. First operand 15581 states and 21990 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:27:53,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:27:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:27:55,363 INFO L93 Difference]: Finished difference Result 30605 states and 43212 transitions. [2024-12-02 06:27:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:27:55,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-12-02 06:27:55,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:27:55,423 INFO L225 Difference]: With dead ends: 30605 [2024-12-02 06:27:55,423 INFO L226 Difference]: Without dead ends: 15045 [2024-12-02 06:27:55,462 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 06:27:55,462 INFO L435 NwaCegarLoop]: 3847 mSDtfsCounter, 2322 mSDsluCounter, 3086 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 6933 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:27:55,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 6933 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:27:55,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15045 states. [2024-12-02 06:27:55,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15045 to 15013. [2024-12-02 06:27:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15013 states, 11568 states have (on average 1.3384336099585061) internal successors, (15483), 11751 states have internal predecessors, (15483), 2811 states have call successors, (2811), 639 states have call predecessors, (2811), 631 states have return successors, (2820), 2703 states have call predecessors, (2820), 2807 states have call successors, (2820) [2024-12-02 06:27:55,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15013 states to 15013 states and 21114 transitions. [2024-12-02 06:27:55,917 INFO L78 Accepts]: Start accepts. Automaton has 15013 states and 21114 transitions. Word has length 126 [2024-12-02 06:27:55,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:27:55,918 INFO L471 AbstractCegarLoop]: Abstraction has 15013 states and 21114 transitions. [2024-12-02 06:27:55,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:27:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 15013 states and 21114 transitions. [2024-12-02 06:27:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 06:27:55,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:27:55,921 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:27:55,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:27:55,922 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:27:55,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:27:55,922 INFO L85 PathProgramCache]: Analyzing trace with hash 584664628, now seen corresponding path program 1 times [2024-12-02 06:27:55,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:27:55,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131569884] [2024-12-02 06:27:55,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:27:55,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:28:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 06:28:01,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:28:01,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131569884] [2024-12-02 06:28:01,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131569884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:01,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:01,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:28:01,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576314086] [2024-12-02 06:28:01,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:01,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:28:01,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:28:01,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:28:01,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:28:01,663 INFO L87 Difference]: Start difference. First operand 15013 states and 21114 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:28:05,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:28:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:06,940 INFO L93 Difference]: Finished difference Result 39655 states and 55791 transitions. [2024-12-02 06:28:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:28:06,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2024-12-02 06:28:06,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:07,037 INFO L225 Difference]: With dead ends: 39655 [2024-12-02 06:28:07,037 INFO L226 Difference]: Without dead ends: 24663 [2024-12-02 06:28:07,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:28:07,146 INFO L435 NwaCegarLoop]: 3169 mSDtfsCounter, 2919 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2919 SdHoareTripleChecker+Valid, 6256 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:07,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2919 Valid, 6256 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:28:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24663 states. [2024-12-02 06:28:08,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24663 to 24632. [2024-12-02 06:28:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24632 states, 18982 states have (on average 1.337741017806343) internal successors, (25393), 19275 states have internal predecessors, (25393), 4599 states have call successors, (4599), 1063 states have call predecessors, (4599), 1048 states have return successors, (4624), 4407 states have call predecessors, (4624), 4595 states have call successors, (4624) [2024-12-02 06:28:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24632 states to 24632 states and 34616 transitions. [2024-12-02 06:28:08,228 INFO L78 Accepts]: Start accepts. Automaton has 24632 states and 34616 transitions. Word has length 128 [2024-12-02 06:28:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:08,228 INFO L471 AbstractCegarLoop]: Abstraction has 24632 states and 34616 transitions. [2024-12-02 06:28:08,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 06:28:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24632 states and 34616 transitions. [2024-12-02 06:28:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 06:28:08,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:08,231 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 06:28:08,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:28:08,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:28:08,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:08,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1908803273, now seen corresponding path program 1 times [2024-12-02 06:28:08,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:28:08,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171617261] [2024-12-02 06:28:08,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:08,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:28:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-12-02 06:28:14,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:28:14,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171617261] [2024-12-02 06:28:14,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171617261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:14,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:14,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:28:14,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749028232] [2024-12-02 06:28:14,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:14,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:28:14,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:28:14,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:28:14,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:28:14,333 INFO L87 Difference]: Start difference. First operand 24632 states and 34616 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:28:18,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:28:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:19,714 INFO L93 Difference]: Finished difference Result 71502 states and 100541 transitions. [2024-12-02 06:28:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:28:19,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2024-12-02 06:28:19,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:19,881 INFO L225 Difference]: With dead ends: 71502 [2024-12-02 06:28:19,881 INFO L226 Difference]: Without dead ends: 46891 [2024-12-02 06:28:19,957 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 06:28:19,958 INFO L435 NwaCegarLoop]: 3798 mSDtfsCounter, 3104 mSDsluCounter, 3140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3104 SdHoareTripleChecker+Valid, 6938 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:19,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3104 Valid, 6938 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:28:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46891 states. [2024-12-02 06:28:20,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46891 to 46833. [2024-12-02 06:28:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46833 states, 36024 states have (on average 1.3376637797024207) internal successors, (48188), 36616 states have internal predecessors, (48188), 8797 states have call successors, (8797), 2038 states have call predecessors, (8797), 2009 states have return successors, (8851), 8398 states have call predecessors, (8851), 8793 states have call successors, (8851) [2024-12-02 06:28:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46833 states to 46833 states and 65836 transitions. [2024-12-02 06:28:21,186 INFO L78 Accepts]: Start accepts. Automaton has 46833 states and 65836 transitions. Word has length 145 [2024-12-02 06:28:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:21,186 INFO L471 AbstractCegarLoop]: Abstraction has 46833 states and 65836 transitions. [2024-12-02 06:28:21,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:28:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 46833 states and 65836 transitions. [2024-12-02 06:28:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 06:28:21,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:21,188 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:28:21,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:28:21,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:28:21,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:21,188 INFO L85 PathProgramCache]: Analyzing trace with hash -73827638, now seen corresponding path program 1 times [2024-12-02 06:28:21,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:28:21,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631959411] [2024-12-02 06:28:21,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:28:26,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 06:28:26,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:28:26,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631959411] [2024-12-02 06:28:26,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631959411] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:26,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:26,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:28:26,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95307479] [2024-12-02 06:28:26,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:26,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:28:26,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:28:26,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:28:26,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:28:26,955 INFO L87 Difference]: Start difference. First operand 46833 states and 65836 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 06:28:31,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:28:33,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:33,201 INFO L93 Difference]: Finished difference Result 137613 states and 193449 transitions. [2024-12-02 06:28:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:28:33,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 188 [2024-12-02 06:28:33,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:33,522 INFO L225 Difference]: With dead ends: 137613 [2024-12-02 06:28:33,522 INFO L226 Difference]: Without dead ends: 90857 [2024-12-02 06:28:33,648 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 06:28:33,648 INFO L435 NwaCegarLoop]: 4068 mSDtfsCounter, 2969 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2969 SdHoareTripleChecker+Valid, 7197 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:33,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2969 Valid, 7197 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:28:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90857 states. [2024-12-02 06:28:35,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90857 to 90853. [2024-12-02 06:28:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90853 states, 70082 states have (on average 1.3360920065066637) internal successors, (93636), 71120 states have internal predecessors, (93636), 16897 states have call successors, (16897), 3912 states have call predecessors, (16897), 3871 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-12-02 06:28:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90853 states to 90853 states and 127542 transitions. [2024-12-02 06:28:36,016 INFO L78 Accepts]: Start accepts. Automaton has 90853 states and 127542 transitions. Word has length 188 [2024-12-02 06:28:36,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:36,017 INFO L471 AbstractCegarLoop]: Abstraction has 90853 states and 127542 transitions. [2024-12-02 06:28:36,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 06:28:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 90853 states and 127542 transitions. [2024-12-02 06:28:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 06:28:36,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:36,019 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:28:36,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:28:36,020 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:28:36,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash 66720972, now seen corresponding path program 1 times [2024-12-02 06:28:36,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:28:36,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471313688] [2024-12-02 06:28:36,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:36,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:28:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:42,495 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 06:28:42,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:28:42,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471313688] [2024-12-02 06:28:42,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471313688] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:42,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:42,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:28:42,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282957491] [2024-12-02 06:28:42,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:42,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:28:42,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:28:42,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:28:42,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:28:42,498 INFO L87 Difference]: Start difference. First operand 90853 states and 127542 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 06:28:44,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:44,333 INFO L93 Difference]: Finished difference Result 90859 states and 127547 transitions. [2024-12-02 06:28:44,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:28:44,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 188 [2024-12-02 06:28:44,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:44,604 INFO L225 Difference]: With dead ends: 90859 [2024-12-02 06:28:44,604 INFO L226 Difference]: Without dead ends: 90857 [2024-12-02 06:28:44,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:28:44,640 INFO L435 NwaCegarLoop]: 3153 mSDtfsCounter, 3094 mSDsluCounter, 6292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 9445 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:44,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 9445 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:28:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90857 states. [2024-12-02 06:28:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90857 to 90857. [2024-12-02 06:28:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90857 states, 70085 states have (on average 1.3360776200328173) internal successors, (93639), 71123 states have internal predecessors, (93639), 16897 states have call successors, (16897), 3913 states have call predecessors, (16897), 3872 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-12-02 06:28:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90857 states to 90857 states and 127545 transitions. [2024-12-02 06:28:47,152 INFO L78 Accepts]: Start accepts. Automaton has 90857 states and 127545 transitions. Word has length 188 [2024-12-02 06:28:47,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:47,153 INFO L471 AbstractCegarLoop]: Abstraction has 90857 states and 127545 transitions. [2024-12-02 06:28:47,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 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 06:28:47,153 INFO L276 IsEmpty]: Start isEmpty. Operand 90857 states and 127545 transitions. [2024-12-02 06:28:47,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 06:28:47,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:47,156 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 06:28:47,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:28:47,156 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:28:47,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash 114998252, now seen corresponding path program 1 times [2024-12-02 06:28:47,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:28:47,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941100342] [2024-12-02 06:28:47,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:28:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:28:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 06:28:55,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:28:55,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941100342] [2024-12-02 06:28:55,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941100342] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:28:55,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:28:55,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:28:55,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986607156] [2024-12-02 06:28:55,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:28:55,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:28:55,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:28:55,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:28:55,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:28:55,062 INFO L87 Difference]: Start difference. First operand 90857 states and 127545 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:28:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:28:56,867 INFO L93 Difference]: Finished difference Result 90863 states and 127550 transitions. [2024-12-02 06:28:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:28:56,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 193 [2024-12-02 06:28:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:28:57,158 INFO L225 Difference]: With dead ends: 90863 [2024-12-02 06:28:57,158 INFO L226 Difference]: Without dead ends: 90861 [2024-12-02 06:28:57,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:28:57,206 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3090 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:28:57,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:28:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90861 states. [2024-12-02 06:28:59,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90861 to 90861. [2024-12-02 06:28:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90861 states, 70088 states have (on average 1.336063234790549) internal successors, (93642), 71126 states have internal predecessors, (93642), 16897 states have call successors, (16897), 3914 states have call predecessors, (16897), 3873 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-12-02 06:28:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90861 states to 90861 states and 127548 transitions. [2024-12-02 06:28:59,673 INFO L78 Accepts]: Start accepts. Automaton has 90861 states and 127548 transitions. Word has length 193 [2024-12-02 06:28:59,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:28:59,673 INFO L471 AbstractCegarLoop]: Abstraction has 90861 states and 127548 transitions. [2024-12-02 06:28:59,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:28:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 90861 states and 127548 transitions. [2024-12-02 06:28:59,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-12-02 06:28:59,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:28:59,675 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 06:28:59,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:28:59,675 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:28:59,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:28:59,676 INFO L85 PathProgramCache]: Analyzing trace with hash 172172, now seen corresponding path program 1 times [2024-12-02 06:28:59,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:28:59,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868507229] [2024-12-02 06:28:59,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:28:59,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-02 06:29:05,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:29:05,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868507229] [2024-12-02 06:29:05,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868507229] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:29:05,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:29:05,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:29:05,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439041774] [2024-12-02 06:29:05,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:05,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:29:05,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:29:05,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:29:05,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:29:05,875 INFO L87 Difference]: Start difference. First operand 90861 states and 127548 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:29:07,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:07,820 INFO L93 Difference]: Finished difference Result 90867 states and 127553 transitions. [2024-12-02 06:29:07,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:29:07,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 198 [2024-12-02 06:29:07,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:08,080 INFO L225 Difference]: With dead ends: 90867 [2024-12-02 06:29:08,080 INFO L226 Difference]: Without dead ends: 90865 [2024-12-02 06:29:08,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:29:08,112 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3089 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3090 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:08,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3090 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:29:08,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90865 states. [2024-12-02 06:29:10,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90865 to 90865. [2024-12-02 06:29:10,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90865 states, 70091 states have (on average 1.3360488507797006) internal successors, (93645), 71129 states have internal predecessors, (93645), 16897 states have call successors, (16897), 3915 states have call predecessors, (16897), 3874 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-12-02 06:29:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90865 states to 90865 states and 127551 transitions. [2024-12-02 06:29:10,675 INFO L78 Accepts]: Start accepts. Automaton has 90865 states and 127551 transitions. Word has length 198 [2024-12-02 06:29:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:10,675 INFO L471 AbstractCegarLoop]: Abstraction has 90865 states and 127551 transitions. [2024-12-02 06:29:10,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:29:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 90865 states and 127551 transitions. [2024-12-02 06:29:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-02 06:29:10,677 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:10,678 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 06:29:10,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:29:10,678 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:29:10,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:10,678 INFO L85 PathProgramCache]: Analyzing trace with hash -917653588, now seen corresponding path program 1 times [2024-12-02 06:29:10,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:29:10,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628730721] [2024-12-02 06:29:10,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:10,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-12-02 06:29:16,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:29:16,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628730721] [2024-12-02 06:29:16,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628730721] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:29:16,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:29:16,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:29:16,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860783682] [2024-12-02 06:29:16,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:16,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:29:16,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:29:16,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:29:16,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:29:16,519 INFO L87 Difference]: Start difference. First operand 90865 states and 127551 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:29:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:18,744 INFO L93 Difference]: Finished difference Result 90871 states and 127556 transitions. [2024-12-02 06:29:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:29:18,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 203 [2024-12-02 06:29:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:19,036 INFO L225 Difference]: With dead ends: 90871 [2024-12-02 06:29:19,036 INFO L226 Difference]: Without dead ends: 90869 [2024-12-02 06:29:19,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:29:19,074 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3088 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3089 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:19,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3089 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:29:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90869 states. [2024-12-02 06:29:21,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90869 to 90869. [2024-12-02 06:29:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90869 states, 70094 states have (on average 1.3360344680001142) internal successors, (93648), 71132 states have internal predecessors, (93648), 16897 states have call successors, (16897), 3916 states have call predecessors, (16897), 3875 states have return successors, (17009), 16260 states have call predecessors, (17009), 16893 states have call successors, (17009) [2024-12-02 06:29:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90869 states to 90869 states and 127554 transitions. [2024-12-02 06:29:21,734 INFO L78 Accepts]: Start accepts. Automaton has 90869 states and 127554 transitions. Word has length 203 [2024-12-02 06:29:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:21,734 INFO L471 AbstractCegarLoop]: Abstraction has 90869 states and 127554 transitions. [2024-12-02 06:29:21,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:29:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 90869 states and 127554 transitions. [2024-12-02 06:29:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-12-02 06:29:21,737 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:21,737 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 06:29:21,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:29:21,737 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:29:21,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:21,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1721451213, now seen corresponding path program 1 times [2024-12-02 06:29:21,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:29:21,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440176103] [2024-12-02 06:29:21,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:21,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:27,968 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 06:29:27,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:29:27,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440176103] [2024-12-02 06:29:27,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440176103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:29:27,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:29:27,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:29:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99311242] [2024-12-02 06:29:27,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:27,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:29:27,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:29:27,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:29:27,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:29:27,970 INFO L87 Difference]: Start difference. First operand 90869 states and 127554 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:29:32,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:29:35,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:35,872 INFO L93 Difference]: Finished difference Result 212703 states and 298818 transitions. [2024-12-02 06:29:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:29:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 206 [2024-12-02 06:29:35,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:36,315 INFO L225 Difference]: With dead ends: 212703 [2024-12-02 06:29:36,315 INFO L226 Difference]: Without dead ends: 121911 [2024-12-02 06:29:36,548 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 06:29:36,549 INFO L435 NwaCegarLoop]: 4664 mSDtfsCounter, 2316 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 7749 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:36,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 7749 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 06:29:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121911 states. [2024-12-02 06:29:39,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121911 to 121839. [2024-12-02 06:29:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121839 states, 94318 states have (on average 1.3380690854343815) internal successors, (126204), 95692 states have internal predecessors, (126204), 22241 states have call successors, (22241), 5334 states have call predecessors, (22241), 5277 states have return successors, (22353), 21404 states have call predecessors, (22353), 22237 states have call successors, (22353) [2024-12-02 06:29:40,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121839 states to 121839 states and 170798 transitions. [2024-12-02 06:29:40,331 INFO L78 Accepts]: Start accepts. Automaton has 121839 states and 170798 transitions. Word has length 206 [2024-12-02 06:29:40,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:29:40,332 INFO L471 AbstractCegarLoop]: Abstraction has 121839 states and 170798 transitions. [2024-12-02 06:29:40,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 06:29:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 121839 states and 170798 transitions. [2024-12-02 06:29:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-02 06:29:40,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:29:40,334 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 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] [2024-12-02 06:29:40,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:29:40,334 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:29:40,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:29:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash -598969127, now seen corresponding path program 1 times [2024-12-02 06:29:40,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:29:40,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765586693] [2024-12-02 06:29:40,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:29:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:29:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:29:46,254 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-12-02 06:29:46,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:29:46,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765586693] [2024-12-02 06:29:46,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765586693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:29:46,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:29:46,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:29:46,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792651624] [2024-12-02 06:29:46,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:29:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:29:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:29:46,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:29:46,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:29:46,256 INFO L87 Difference]: Start difference. First operand 121839 states and 170798 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 06:29:50,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:29:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:29:55,077 INFO L93 Difference]: Finished difference Result 302558 states and 424251 transitions. [2024-12-02 06:29:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:29:55,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 221 [2024-12-02 06:29:55,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:29:55,919 INFO L225 Difference]: With dead ends: 302558 [2024-12-02 06:29:55,919 INFO L226 Difference]: Without dead ends: 180796 [2024-12-02 06:29:56,204 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 06:29:56,204 INFO L435 NwaCegarLoop]: 6123 mSDtfsCounter, 3002 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3002 SdHoareTripleChecker+Valid, 9254 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:29:56,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3002 Valid, 9254 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:29:56,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180796 states. [2024-12-02 06:30:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180796 to 180757. [2024-12-02 06:30:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180757 states, 140102 states have (on average 1.3372542861629384) internal successors, (187352), 142050 states have internal predecessors, (187352), 32845 states have call successors, (32845), 7876 states have call predecessors, (32845), 7807 states have return successors, (33015), 31718 states have call predecessors, (33015), 32841 states have call successors, (33015) [2024-12-02 06:30:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180757 states to 180757 states and 253212 transitions. [2024-12-02 06:30:03,678 INFO L78 Accepts]: Start accepts. Automaton has 180757 states and 253212 transitions. Word has length 221 [2024-12-02 06:30:03,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:03,679 INFO L471 AbstractCegarLoop]: Abstraction has 180757 states and 253212 transitions. [2024-12-02 06:30:03,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 06:30:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 180757 states and 253212 transitions. [2024-12-02 06:30:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 06:30:03,680 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:03,680 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 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] [2024-12-02 06:30:03,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:30:03,680 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:30:03,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1928254388, now seen corresponding path program 1 times [2024-12-02 06:30:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:30:03,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605694994] [2024-12-02 06:30:03,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:03,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:30:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 06:30:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:30:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605694994] [2024-12-02 06:30:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605694994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:30:09,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:30:09,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:30:09,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948623416] [2024-12-02 06:30:09,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:09,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:30:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:30:09,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:30:09,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:30:09,530 INFO L87 Difference]: Start difference. First operand 180757 states and 253212 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:30:14,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:14,479 INFO L93 Difference]: Finished difference Result 180763 states and 253217 transitions. [2024-12-02 06:30:14,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:30:14,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 208 [2024-12-02 06:30:14,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:15,001 INFO L225 Difference]: With dead ends: 180763 [2024-12-02 06:30:15,001 INFO L226 Difference]: Without dead ends: 180761 [2024-12-02 06:30:15,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:30:15,046 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3087 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:15,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:30:15,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180761 states. [2024-12-02 06:30:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180761 to 180761. [2024-12-02 06:30:21,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180761 states, 140105 states have (on average 1.3372470647014738) internal successors, (187355), 142053 states have internal predecessors, (187355), 32845 states have call successors, (32845), 7877 states have call predecessors, (32845), 7808 states have return successors, (33015), 31718 states have call predecessors, (33015), 32841 states have call successors, (33015) [2024-12-02 06:30:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180761 states to 180761 states and 253215 transitions. [2024-12-02 06:30:22,267 INFO L78 Accepts]: Start accepts. Automaton has 180761 states and 253215 transitions. Word has length 208 [2024-12-02 06:30:22,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:22,268 INFO L471 AbstractCegarLoop]: Abstraction has 180761 states and 253215 transitions. [2024-12-02 06:30:22,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:30:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 180761 states and 253215 transitions. [2024-12-02 06:30:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 06:30:22,269 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:22,269 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 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] [2024-12-02 06:30:22,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:30:22,269 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:30:22,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1367690388, now seen corresponding path program 1 times [2024-12-02 06:30:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:30:22,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175475579] [2024-12-02 06:30:22,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:22,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:30:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:28,476 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-12-02 06:30:28,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:30:28,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175475579] [2024-12-02 06:30:28,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175475579] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:30:28,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:30:28,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:30:28,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399608622] [2024-12-02 06:30:28,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:28,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:30:28,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:30:28,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:30:28,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:30:28,479 INFO L87 Difference]: Start difference. First operand 180761 states and 253215 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:30:33,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:33,406 INFO L93 Difference]: Finished difference Result 180767 states and 253220 transitions. [2024-12-02 06:30:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:30:33,406 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 213 [2024-12-02 06:30:33,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:34,175 INFO L225 Difference]: With dead ends: 180767 [2024-12-02 06:30:34,175 INFO L226 Difference]: Without dead ends: 180765 [2024-12-02 06:30:34,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:30:34,245 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3086 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3087 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:34,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3087 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:30:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180765 states. [2024-12-02 06:30:40,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180765 to 180765. [2024-12-02 06:30:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180765 states, 140108 states have (on average 1.337239843549262) internal successors, (187358), 142056 states have internal predecessors, (187358), 32845 states have call successors, (32845), 7878 states have call predecessors, (32845), 7809 states have return successors, (33015), 31718 states have call predecessors, (33015), 32841 states have call successors, (33015) [2024-12-02 06:30:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180765 states to 180765 states and 253218 transitions. [2024-12-02 06:30:41,140 INFO L78 Accepts]: Start accepts. Automaton has 180765 states and 253218 transitions. Word has length 213 [2024-12-02 06:30:41,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:30:41,141 INFO L471 AbstractCegarLoop]: Abstraction has 180765 states and 253218 transitions. [2024-12-02 06:30:41,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:30:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 180765 states and 253218 transitions. [2024-12-02 06:30:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 06:30:41,143 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:30:41,144 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 4, 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] [2024-12-02 06:30:41,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:30:41,144 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:30:41,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:30:41,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1683638260, now seen corresponding path program 1 times [2024-12-02 06:30:41,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:30:41,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963483693] [2024-12-02 06:30:41,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:30:41,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:30:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:30:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-12-02 06:30:47,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:30:47,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963483693] [2024-12-02 06:30:47,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963483693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:30:47,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:30:47,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:30:47,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481910157] [2024-12-02 06:30:47,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:30:47,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:30:47,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:30:47,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:30:47,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:30:47,893 INFO L87 Difference]: Start difference. First operand 180765 states and 253218 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:30:53,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:30:53,041 INFO L93 Difference]: Finished difference Result 180771 states and 253223 transitions. [2024-12-02 06:30:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:30:53,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 218 [2024-12-02 06:30:53,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:30:53,627 INFO L225 Difference]: With dead ends: 180771 [2024-12-02 06:30:53,627 INFO L226 Difference]: Without dead ends: 180769 [2024-12-02 06:30:53,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:30:53,686 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3085 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:30:53,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:30:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180769 states. [2024-12-02 06:31:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180769 to 180769. [2024-12-02 06:31:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180769 states, 140111 states have (on average 1.337232622706283) internal successors, (187361), 142059 states have internal predecessors, (187361), 32845 states have call successors, (32845), 7879 states have call predecessors, (32845), 7810 states have return successors, (33015), 31718 states have call predecessors, (33015), 32841 states have call successors, (33015) [2024-12-02 06:31:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180769 states to 180769 states and 253221 transitions. [2024-12-02 06:31:01,338 INFO L78 Accepts]: Start accepts. Automaton has 180769 states and 253221 transitions. Word has length 218 [2024-12-02 06:31:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:01,339 INFO L471 AbstractCegarLoop]: Abstraction has 180769 states and 253221 transitions. [2024-12-02 06:31:01,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:31:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 180769 states and 253221 transitions. [2024-12-02 06:31:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 06:31:01,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:01,340 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 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] [2024-12-02 06:31:01,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:31:01,341 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:31:01,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash 367111980, now seen corresponding path program 1 times [2024-12-02 06:31:01,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:01,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748173452] [2024-12-02 06:31:01,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:01,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 06:31:09,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:09,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748173452] [2024-12-02 06:31:09,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748173452] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:09,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:09,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:31:09,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225769415] [2024-12-02 06:31:09,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:09,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:09,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:09,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:09,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:09,324 INFO L87 Difference]: Start difference. First operand 180769 states and 253221 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:31:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:15,167 INFO L93 Difference]: Finished difference Result 203689 states and 282578 transitions. [2024-12-02 06:31:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:31:15,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 223 [2024-12-02 06:31:15,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:16,092 INFO L225 Difference]: With dead ends: 203689 [2024-12-02 06:31:16,092 INFO L226 Difference]: Without dead ends: 203687 [2024-12-02 06:31:16,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:31:16,152 INFO L435 NwaCegarLoop]: 3483 mSDtfsCounter, 2208 mSDsluCounter, 8760 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 12243 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:16,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 12243 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:31:16,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203687 states. [2024-12-02 06:31:25,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203687 to 203687. [2024-12-02 06:31:25,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203687 states, 157514 states have (on average 1.3310562870601979) internal successors, (209660), 159582 states have internal predecessors, (209660), 36373 states have call successors, (36373), 9866 states have call predecessors, (36373), 9797 states have return successors, (36543), 35222 states have call predecessors, (36543), 36369 states have call successors, (36543) [2024-12-02 06:31:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203687 states to 203687 states and 282576 transitions. [2024-12-02 06:31:26,064 INFO L78 Accepts]: Start accepts. Automaton has 203687 states and 282576 transitions. Word has length 223 [2024-12-02 06:31:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:26,064 INFO L471 AbstractCegarLoop]: Abstraction has 203687 states and 282576 transitions. [2024-12-02 06:31:26,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:31:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 203687 states and 282576 transitions. [2024-12-02 06:31:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-12-02 06:31:26,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:26,066 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:31:26,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:31:26,066 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:31:26,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:26,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2084586444, now seen corresponding path program 1 times [2024-12-02 06:31:26,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:26,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150109586] [2024-12-02 06:31:26,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 06:31:32,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150109586] [2024-12-02 06:31:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150109586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:32,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:32,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:31:32,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903650138] [2024-12-02 06:31:32,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:32,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:32,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:32,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:32,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:32,593 INFO L87 Difference]: Start difference. First operand 203687 states and 282576 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:31:39,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:31:39,971 INFO L93 Difference]: Finished difference Result 203693 states and 282581 transitions. [2024-12-02 06:31:39,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:31:39,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 228 [2024-12-02 06:31:39,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:31:40,651 INFO L225 Difference]: With dead ends: 203693 [2024-12-02 06:31:40,651 INFO L226 Difference]: Without dead ends: 203691 [2024-12-02 06:31:40,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:31:40,714 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3083 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3084 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:31:40,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3084 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:31:40,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203691 states. [2024-12-02 06:31:48,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203691 to 203691. [2024-12-02 06:31:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203691 states, 157517 states have (on average 1.3310499819067148) internal successors, (209663), 159585 states have internal predecessors, (209663), 36373 states have call successors, (36373), 9867 states have call predecessors, (36373), 9798 states have return successors, (36543), 35222 states have call predecessors, (36543), 36369 states have call successors, (36543) [2024-12-02 06:31:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203691 states to 203691 states and 282579 transitions. [2024-12-02 06:31:49,920 INFO L78 Accepts]: Start accepts. Automaton has 203691 states and 282579 transitions. Word has length 228 [2024-12-02 06:31:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:31:49,921 INFO L471 AbstractCegarLoop]: Abstraction has 203691 states and 282579 transitions. [2024-12-02 06:31:49,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 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 06:31:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 203691 states and 282579 transitions. [2024-12-02 06:31:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 06:31:49,924 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:31:49,925 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:31:49,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:31:49,925 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:31:49,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:49,925 INFO L85 PathProgramCache]: Analyzing trace with hash -16602388, now seen corresponding path program 1 times [2024-12-02 06:31:49,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:49,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918488553] [2024-12-02 06:31:49,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:49,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 06:31:58,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:58,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918488553] [2024-12-02 06:31:58,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918488553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:58,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:58,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:31:58,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975037497] [2024-12-02 06:31:58,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:58,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:58,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:58,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:58,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:58,005 INFO L87 Difference]: Start difference. First operand 203691 states and 282579 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 06:32:04,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:32:04,803 INFO L93 Difference]: Finished difference Result 203697 states and 282584 transitions. [2024-12-02 06:32:04,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:32:04,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 233 [2024-12-02 06:32:04,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:32:05,483 INFO L225 Difference]: With dead ends: 203697 [2024-12-02 06:32:05,483 INFO L226 Difference]: Without dead ends: 203695 [2024-12-02 06:32:05,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:32:05,550 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3082 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3083 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:32:05,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3083 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:32:05,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203695 states. [2024-12-02 06:32:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203695 to 203695. [2024-12-02 06:32:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203695 states, 157520 states have (on average 1.3310436769933978) internal successors, (209666), 159588 states have internal predecessors, (209666), 36373 states have call successors, (36373), 9868 states have call predecessors, (36373), 9799 states have return successors, (36543), 35222 states have call predecessors, (36543), 36369 states have call successors, (36543) [2024-12-02 06:32:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203695 states to 203695 states and 282582 transitions. [2024-12-02 06:32:15,496 INFO L78 Accepts]: Start accepts. Automaton has 203695 states and 282582 transitions. Word has length 233 [2024-12-02 06:32:15,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:32:15,497 INFO L471 AbstractCegarLoop]: Abstraction has 203695 states and 282582 transitions. [2024-12-02 06:32:15,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 06:32:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 203695 states and 282582 transitions. [2024-12-02 06:32:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-12-02 06:32:15,500 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:32:15,500 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 10, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:32:15,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:32:15,501 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:32:15,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:15,502 INFO L85 PathProgramCache]: Analyzing trace with hash -547303540, now seen corresponding path program 1 times [2024-12-02 06:32:15,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:15,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771627316] [2024-12-02 06:32:15,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:15,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-02 06:32:22,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771627316] [2024-12-02 06:32:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771627316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:22,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:22,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:32:22,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275473406] [2024-12-02 06:32:22,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:22,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:32:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:22,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:32:22,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:32:22,416 INFO L87 Difference]: Start difference. First operand 203695 states and 282582 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 06:32:31,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:32:31,304 INFO L93 Difference]: Finished difference Result 203701 states and 282587 transitions. [2024-12-02 06:32:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:32:31,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2024-12-02 06:32:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:32:32,041 INFO L225 Difference]: With dead ends: 203701 [2024-12-02 06:32:32,042 INFO L226 Difference]: Without dead ends: 203699 [2024-12-02 06:32:32,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:32:32,114 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3081 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3082 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:32:32,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3082 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:32:32,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203699 states. [2024-12-02 06:32:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203699 to 203699. [2024-12-02 06:32:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203699 states, 157523 states have (on average 1.3310373723202327) internal successors, (209669), 159591 states have internal predecessors, (209669), 36373 states have call successors, (36373), 9869 states have call predecessors, (36373), 9800 states have return successors, (36543), 35222 states have call predecessors, (36543), 36369 states have call successors, (36543) [2024-12-02 06:32:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203699 states to 203699 states and 282585 transitions. [2024-12-02 06:32:42,074 INFO L78 Accepts]: Start accepts. Automaton has 203699 states and 282585 transitions. Word has length 238 [2024-12-02 06:32:42,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:32:42,075 INFO L471 AbstractCegarLoop]: Abstraction has 203699 states and 282585 transitions. [2024-12-02 06:32:42,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 06:32:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 203699 states and 282585 transitions. [2024-12-02 06:32:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 06:32:42,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:32:42,077 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:32:42,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:32:42,078 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:32:42,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 157132460, now seen corresponding path program 1 times [2024-12-02 06:32:42,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668676516] [2024-12-02 06:32:42,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:42,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2024-12-02 06:32:47,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:47,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668676516] [2024-12-02 06:32:47,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668676516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:47,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:47,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:32:47,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10841817] [2024-12-02 06:32:47,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:47,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:32:47,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:47,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:32:47,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:32:47,848 INFO L87 Difference]: Start difference. First operand 203699 states and 282585 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 06:32:57,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:32:57,655 INFO L93 Difference]: Finished difference Result 203705 states and 282590 transitions. [2024-12-02 06:32:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:32:57,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 243 [2024-12-02 06:32:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:32:58,580 INFO L225 Difference]: With dead ends: 203705 [2024-12-02 06:32:58,581 INFO L226 Difference]: Without dead ends: 203701 [2024-12-02 06:32:58,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:32:58,679 INFO L435 NwaCegarLoop]: 3156 mSDtfsCounter, 3080 mSDsluCounter, 6293 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 9449 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:32:58,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 9449 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:32:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203701 states. [2024-12-02 06:33:08,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203701 to 203701. [2024-12-02 06:33:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203701 states, 157525 states have (on average 1.3310268211395018) internal successors, (209670), 159592 states have internal predecessors, (209670), 36373 states have call successors, (36373), 9870 states have call predecessors, (36373), 9800 states have return successors, (36543), 35222 states have call predecessors, (36543), 36369 states have call successors, (36543) [2024-12-02 06:33:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203701 states to 203701 states and 282586 transitions. [2024-12-02 06:33:09,549 INFO L78 Accepts]: Start accepts. Automaton has 203701 states and 282586 transitions. Word has length 243 [2024-12-02 06:33:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:09,550 INFO L471 AbstractCegarLoop]: Abstraction has 203701 states and 282586 transitions. [2024-12-02 06:33:09,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 06:33:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 203701 states and 282586 transitions. [2024-12-02 06:33:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2024-12-02 06:33:09,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:09,553 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 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] [2024-12-02 06:33:09,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:33:09,553 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:33:09,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:09,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1686240634, now seen corresponding path program 1 times [2024-12-02 06:33:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:33:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887045832] [2024-12-02 06:33:09,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:09,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:33:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 774 trivial. 0 not checked. [2024-12-02 06:33:16,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:33:16,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887045832] [2024-12-02 06:33:16,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887045832] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:33:16,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:33:16,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:33:16,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323073590] [2024-12-02 06:33:16,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:16,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:33:16,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:33:16,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:33:16,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:33:16,395 INFO L87 Difference]: Start difference. First operand 203701 states and 282586 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 06:33:20,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:33:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:33:32,957 INFO L93 Difference]: Finished difference Result 474234 states and 657849 transitions. [2024-12-02 06:33:32,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:33:32,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 285 [2024-12-02 06:33:32,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:33:33,931 INFO L225 Difference]: With dead ends: 474234 [2024-12-02 06:33:33,931 INFO L226 Difference]: Without dead ends: 270610 [2024-12-02 06:33:34,391 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 06:33:34,395 INFO L435 NwaCegarLoop]: 6170 mSDtfsCounter, 3017 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3017 SdHoareTripleChecker+Valid, 9299 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:33:34,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3017 Valid, 9299 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:33:34,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270610 states. [2024-12-02 06:33:47,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270610 to 270541. [2024-12-02 06:33:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270541 states, 209277 states have (on average 1.3306096704367896) internal successors, (278466), 211958 states have internal predecessors, (278466), 48249 states have call successors, (48249), 13126 states have call predecessors, (48249), 13012 states have return successors, (48477), 46768 states have call predecessors, (48477), 48245 states have call successors, (48477) [2024-12-02 06:33:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270541 states to 270541 states and 375192 transitions. [2024-12-02 06:33:49,009 INFO L78 Accepts]: Start accepts. Automaton has 270541 states and 375192 transitions. Word has length 285 [2024-12-02 06:33:49,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:33:49,010 INFO L471 AbstractCegarLoop]: Abstraction has 270541 states and 375192 transitions. [2024-12-02 06:33:49,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 06:33:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 270541 states and 375192 transitions. [2024-12-02 06:33:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-12-02 06:33:49,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:33:49,016 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 4, 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] [2024-12-02 06:33:49,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:33:49,016 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:33:49,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:33:49,017 INFO L85 PathProgramCache]: Analyzing trace with hash -712549556, now seen corresponding path program 1 times [2024-12-02 06:33:49,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:33:49,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83003927] [2024-12-02 06:33:49,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:33:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:33:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:33:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2024-12-02 06:33:56,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:33:56,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83003927] [2024-12-02 06:33:56,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83003927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:33:56,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:33:56,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:33:56,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931160736] [2024-12-02 06:33:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:33:56,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:33:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:33:56,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:33:56,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:33:56,942 INFO L87 Difference]: Start difference. First operand 270541 states and 375192 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 06:34:07,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:07,922 INFO L93 Difference]: Finished difference Result 270541 states and 375192 transitions. [2024-12-02 06:34:07,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:34:07,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 248 [2024-12-02 06:34:07,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:09,086 INFO L225 Difference]: With dead ends: 270541 [2024-12-02 06:34:09,087 INFO L226 Difference]: Without dead ends: 268635 [2024-12-02 06:34:09,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:34:09,172 INFO L435 NwaCegarLoop]: 3154 mSDtfsCounter, 3076 mSDsluCounter, 6291 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 9445 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:34:09,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 9445 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:34:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268635 states. [2024-12-02 06:34:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268635 to 202498. [2024-12-02 06:34:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202498 states, 156719 states have (on average 1.3310830212035554) internal successors, (208606), 158642 states have internal predecessors, (208606), 36014 states have call successors, (36014), 9801 states have call predecessors, (36014), 9763 states have return successors, (36184), 35038 states have call predecessors, (36184), 36010 states have call successors, (36184) [2024-12-02 06:34:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202498 states to 202498 states and 280804 transitions. [2024-12-02 06:34:21,576 INFO L78 Accepts]: Start accepts. Automaton has 202498 states and 280804 transitions. Word has length 248 [2024-12-02 06:34:21,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:21,577 INFO L471 AbstractCegarLoop]: Abstraction has 202498 states and 280804 transitions. [2024-12-02 06:34:21,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 06:34:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 202498 states and 280804 transitions. [2024-12-02 06:34:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-12-02 06:34:21,579 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:21,580 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 3, 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] [2024-12-02 06:34:21,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:34:21,580 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:34:21,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:21,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1633783343, now seen corresponding path program 1 times [2024-12-02 06:34:21,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:21,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231718307] [2024-12-02 06:34:21,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:21,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2024-12-02 06:34:28,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:28,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231718307] [2024-12-02 06:34:28,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231718307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:28,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:28,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:34:28,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130336831] [2024-12-02 06:34:28,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:28,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:34:28,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:28,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:34:28,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:34:28,745 INFO L87 Difference]: Start difference. First operand 202498 states and 280804 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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 06:34:36,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:34:36,558 INFO L93 Difference]: Finished difference Result 202498 states and 280804 transitions. [2024-12-02 06:34:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:34:36,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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 261 [2024-12-02 06:34:36,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:34:37,317 INFO L225 Difference]: With dead ends: 202498 [2024-12-02 06:34:37,317 INFO L226 Difference]: Without dead ends: 202496 [2024-12-02 06:34:37,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:34:37,392 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2118 mSDsluCounter, 8662 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:34:37,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2119 Valid, 12087 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:34:37,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202496 states. [2024-12-02 06:34:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202496 to 202496. [2024-12-02 06:34:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202496 states, 156718 states have (on average 1.330242856595924) internal successors, (208473), 158640 states have internal predecessors, (208473), 36014 states have call successors, (36014), 9801 states have call predecessors, (36014), 9763 states have return successors, (36184), 35038 states have call predecessors, (36184), 36010 states have call successors, (36184) [2024-12-02 06:34:48,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202496 states to 202496 states and 280671 transitions. [2024-12-02 06:34:49,087 INFO L78 Accepts]: Start accepts. Automaton has 202496 states and 280671 transitions. Word has length 261 [2024-12-02 06:34:49,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:34:49,088 INFO L471 AbstractCegarLoop]: Abstraction has 202496 states and 280671 transitions. [2024-12-02 06:34:49,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 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 06:34:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 202496 states and 280671 transitions. [2024-12-02 06:34:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 06:34:49,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:34:49,094 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2024-12-02 06:34:49,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:34:49,094 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:34:49,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:34:49,095 INFO L85 PathProgramCache]: Analyzing trace with hash -241598023, now seen corresponding path program 1 times [2024-12-02 06:34:49,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:34:49,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981353082] [2024-12-02 06:34:49,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:34:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:34:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:34:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-12-02 06:34:55,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:34:55,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981353082] [2024-12-02 06:34:55,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981353082] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:34:55,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:34:55,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:34:55,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351427687] [2024-12-02 06:34:55,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:34:55,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:34:55,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:34:55,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:34:55,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:34:55,371 INFO L87 Difference]: Start difference. First operand 202496 states and 280671 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:34:59,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:35:11,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:11,388 INFO L93 Difference]: Finished difference Result 451076 states and 625462 transitions. [2024-12-02 06:35:11,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:35:11,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 310 [2024-12-02 06:35:11,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:12,330 INFO L225 Difference]: With dead ends: 451076 [2024-12-02 06:35:12,330 INFO L226 Difference]: Without dead ends: 248586 [2024-12-02 06:35:12,801 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 06:35:12,801 INFO L435 NwaCegarLoop]: 5339 mSDtfsCounter, 2257 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 8370 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:35:12,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2257 Valid, 8370 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:35:12,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248586 states. [2024-12-02 06:35:25,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248586 to 247539. [2024-12-02 06:35:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247539 states, 192003 states have (on average 1.3315469029129754) internal successors, (255661), 194346 states have internal predecessors, (255661), 43486 states have call successors, (43486), 12087 states have call predecessors, (43486), 12049 states have return successors, (43656), 42325 states have call predecessors, (43656), 43482 states have call successors, (43656) [2024-12-02 06:35:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247539 states to 247539 states and 342803 transitions. [2024-12-02 06:35:26,172 INFO L78 Accepts]: Start accepts. Automaton has 247539 states and 342803 transitions. Word has length 310 [2024-12-02 06:35:26,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:35:26,172 INFO L471 AbstractCegarLoop]: Abstraction has 247539 states and 342803 transitions. [2024-12-02 06:35:26,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:35:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 247539 states and 342803 transitions. [2024-12-02 06:35:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-12-02 06:35:26,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:35:26,179 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2024-12-02 06:35:26,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:35:26,179 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:35:26,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:35:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1927777861, now seen corresponding path program 1 times [2024-12-02 06:35:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:35:26,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427728668] [2024-12-02 06:35:26,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:35:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:35:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:35:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-12-02 06:35:32,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:35:32,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427728668] [2024-12-02 06:35:32,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427728668] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:35:32,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:35:32,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:35:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804812316] [2024-12-02 06:35:32,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:35:32,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:35:32,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:35:32,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:35:32,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:35:32,673 INFO L87 Difference]: Start difference. First operand 247539 states and 342803 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:35:36,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:35:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:35:53,410 INFO L93 Difference]: Finished difference Result 574595 states and 796417 transitions. [2024-12-02 06:35:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:35:53,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 310 [2024-12-02 06:35:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:35:54,866 INFO L225 Difference]: With dead ends: 574595 [2024-12-02 06:35:54,866 INFO L226 Difference]: Without dead ends: 327133 [2024-12-02 06:35:55,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:35:55,567 INFO L435 NwaCegarLoop]: 5398 mSDtfsCounter, 2695 mSDsluCounter, 2716 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2695 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:35:55,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2695 Valid, 8114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:35:55,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327133 states. [2024-12-02 06:36:12,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327133 to 327115. [2024-12-02 06:36:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327115 states, 254641 states have (on average 1.3327115429172836) internal successors, (339363), 257586 states have internal predecessors, (339363), 56742 states have call successors, (56742), 15769 states have call predecessors, (56742), 15731 states have return successors, (56912), 55321 states have call predecessors, (56912), 56738 states have call successors, (56912) [2024-12-02 06:36:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327115 states to 327115 states and 453017 transitions. [2024-12-02 06:36:14,189 INFO L78 Accepts]: Start accepts. Automaton has 327115 states and 453017 transitions. Word has length 310 [2024-12-02 06:36:14,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:14,189 INFO L471 AbstractCegarLoop]: Abstraction has 327115 states and 453017 transitions. [2024-12-02 06:36:14,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:36:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 327115 states and 453017 transitions. [2024-12-02 06:36:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-12-02 06:36:14,197 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:36:14,198 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 06:36:14,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:36:14,198 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:36:14,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:36:14,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1623172892, now seen corresponding path program 1 times [2024-12-02 06:36:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:36:14,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268661482] [2024-12-02 06:36:14,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:36:14,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:36:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:36:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2024-12-02 06:36:21,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:36:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268661482] [2024-12-02 06:36:21,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268661482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:36:21,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:36:21,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:36:21,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077301204] [2024-12-02 06:36:21,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:36:21,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:36:21,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:36:21,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:36:21,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:36:21,602 INFO L87 Difference]: Start difference. First operand 327115 states and 453017 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 06:36:25,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:36:38,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:36:38,885 INFO L93 Difference]: Finished difference Result 327115 states and 453017 transitions. [2024-12-02 06:36:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:36:38,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 348 [2024-12-02 06:36:38,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:36:39,056 INFO L225 Difference]: With dead ends: 327115 [2024-12-02 06:36:39,056 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:36:39,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:36:39,844 INFO L435 NwaCegarLoop]: 3675 mSDtfsCounter, 1799 mSDsluCounter, 9557 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 13232 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:36:39,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 13232 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:36:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:36:39,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:36:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 06:36:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:36:39,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2024-12-02 06:36:39,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:36:39,971 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:36:39,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 06:36:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:36:39,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:36:39,976 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 06:36:39,977 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 06:36:39,977 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 06:36:39,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:36:39,985 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 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 06:36:39,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.