./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.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_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/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_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/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_b97409c2-a1a7-4948-8cf7-329fad1067c4/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 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:54:49,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:54:49,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:54:49,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:54:49,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:54:49,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:54:49,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:54:49,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:54:49,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:54:49,979 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:54:49,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:54:49,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:54:49,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:54:49,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:54:49,980 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:54:49,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:54:49,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:54:49,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:54:49,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:54:49,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:54:49,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:54:49,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:54:49,983 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/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 -> 82e959473290e80a4f353bcd3c2747bafa4ce239975e14e29f8e5bf5eff4b01b [2024-12-02 06:54:50,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:54:50,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:54:50,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:54:50,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:54:50,245 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:54:50,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-12-02 06:54:52,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/data/e8a4be1c3/0643a7540ddb4a1d9c8df2f39da966bf/FLAG1e2da155d [2024-12-02 06:54:53,384 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:54:53,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-12-02 06:54:53,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/data/e8a4be1c3/0643a7540ddb4a1d9c8df2f39da966bf/FLAG1e2da155d [2024-12-02 06:54:53,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/data/e8a4be1c3/0643a7540ddb4a1d9c8df2f39da966bf [2024-12-02 06:54:53,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:54:53,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:54:53,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:54:53,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:54:53,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:54:53,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:53" (1/1) ... [2024-12-02 06:54:53,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb1ca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:53, skipping insertion in model container [2024-12-02 06:54:53,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:53" (1/1) ... [2024-12-02 06:54:53,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:54:56,131 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2024-12-02 06:54:56,135 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2024-12-02 06:54:56,136 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2024-12-02 06:54:56,136 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2024-12-02 06:54:56,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:54:56,191 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:54:56,299 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"); [5236] [2024-12-02 06:54:56,301 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)); [5243] [2024-12-02 06:54:56,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5250] [2024-12-02 06:54:56,304 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)); [5286-5287] [2024-12-02 06:54:56,304 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"); [5292-5294] [2024-12-02 06:54:56,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5411] [2024-12-02 06:54:56,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5419] [2024-12-02 06:54:56,314 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)); [5521-5522] [2024-12-02 06:54:56,316 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)); [5555-5556] [2024-12-02 06:54:56,539 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343367,343380] [2024-12-02 06:54:56,540 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343536,343549] [2024-12-02 06:54:56,540 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343703,343716] [2024-12-02 06:54:56,541 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_b97409c2-a1a7-4948-8cf7-329fad1067c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i[343871,343884] [2024-12-02 06:54:56,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:54:56,799 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:54:56,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56 WrapperNode [2024-12-02 06:54:56,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:54:56,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:54:56,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:54:56,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:54:56,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:56,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:57,053 INFO L138 Inliner]: procedures = 456, calls = 1989, calls flagged for inlining = 238, calls inlined = 222, statements flattened = 6139 [2024-12-02 06:54:57,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:54:57,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:54:57,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:54:57,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:54:57,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:57,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:57,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,176 INFO L175 MemorySlicer]: Split 899 memory accesses to 23 slices as follows [34, 7, 3, 65, 3, 2, 2, 8, 7, 5, 7, 3, 5, 663, 7, 2, 7, 6, 52, 7, 1, 2, 1]. 74 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [0, 0, 2, 0, 1, 0, 0, 8, 7, 5, 0, 0, 5, 14, 7, 0, 0, 0, 0, 7, 1, 2, 0]. The 420 writes are split as follows [34, 4, 0, 58, 0, 1, 1, 0, 0, 0, 3, 0, 0, 268, 0, 0, 5, 4, 42, 0, 0, 0, 0]. [2024-12-02 06:54:58,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,288 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:54:58,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:54:58,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:54:58,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:54:58,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (1/1) ... [2024-12-02 06:54:58,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:54:58,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:54:58,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:54:58,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97409c2-a1a7-4948-8cf7-329fad1067c4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:54:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rxfilter [2024-12-02 06:54:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rxfilter [2024-12-02 06:54:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-12-02 06:54:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-12-02 06:54:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 06:54:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 06:54:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 06:54:58,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 06:54:58,477 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 06:54:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 06:54:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 06:54:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 06:54:58,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:54:58,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:54:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 06:54:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 06:54:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-12-02 06:54:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_default_phy [2024-12-02 06:54:58,479 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_default_phy [2024-12-02 06:54:58,479 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_75 [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_75 [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_check_mode [2024-12-02 06:54:58,480 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_check_mode [2024-12-02 06:54:58,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:54:58,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:54:58,481 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_remove [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_remove [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure sis630_set_eq [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sis630_set_eq [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sis900_cleanup_module_14_2 [2024-12-02 06:54:58,482 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_tx_ring [2024-12-02 06:54:58,482 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_tx_ring [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 06:54:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sis900_private [2024-12-02 06:54:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sis900_private [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:54:58,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:54:58,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:54:58,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:54:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_set_mode [2024-12-02 06:54:58,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_set_mode [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:54:58,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:54:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-12-02 06:54:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sis900_private [2024-12-02 06:54:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sis900_private [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 06:54:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 06:54:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 06:54:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 06:54:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_interrupt [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_interrupt [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_reset_phy [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_reset_phy [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:54:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:54:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:54:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:54:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:54:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:54:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:54:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:54:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:54:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_open [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_open [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_nway_reset [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_nway_reset [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 06:54:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 06:54:58,491 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 06:54:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 06:54:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:54:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_close [2024-12-02 06:54:58,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_close [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:54:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:54:58,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:54:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_reset [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_reset [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-12-02 06:54:58,494 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-12-02 06:54:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-12-02 06:54:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 06:54:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_74 [2024-12-02 06:54:58,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_74 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:54:58,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 06:54:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_init_rx_ring [2024-12-02 06:54:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_init_rx_ring [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:54:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 06:54:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:54:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_poll [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_poll [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 06:54:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-12-02 06:54:58,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 06:54:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 06:54:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_resume [2024-12-02 06:54:58,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_resume [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:54:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:54:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:54:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 06:54:58,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:54:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2024-12-02 06:54:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_idle [2024-12-02 06:54:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_idle [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure sis900_tx_timeout [2024-12-02 06:54:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sis900_tx_timeout [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:54:58,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:54:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 06:54:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 06:54:58,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:54:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 06:54:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:54:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:54:59,432 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:54:59,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:54:59,718 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:55:11,658 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:55:12,724 INFO L? ?]: Removed 2852 outVars from TransFormulas that were not future-live. [2024-12-02 06:55:12,724 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:55:12,774 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:55:12,774 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:55:12,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:12 BoogieIcfgContainer [2024-12-02 06:55:12,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:55:12,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:55:12,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:55:12,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:55:12,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:54:53" (1/3) ... [2024-12-02 06:55:12,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197deec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:55:12, skipping insertion in model container [2024-12-02 06:55:12,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:56" (2/3) ... [2024-12-02 06:55:12,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197deec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:55:12, skipping insertion in model container [2024-12-02 06:55:12,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:12" (3/3) ... [2024-12-02 06:55:12,787 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i [2024-12-02 06:55:12,806 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:55:12,809 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sis-sis900.cil.i that has 95 procedures, 2477 locations, 1 initial locations, 1 loop locations, and 3 error locations. [2024-12-02 06:55:12,952 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:55:12,966 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;@20b44761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:55:12,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 06:55:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 2475 states, 1819 states have (on average 1.3468938977460143) internal successors, (2450), 1845 states have internal predecessors, (2450), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) [2024-12-02 06:55:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-02 06:55:12,996 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:12,997 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:55:12,997 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 06:55:13,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:13,003 INFO L85 PathProgramCache]: Analyzing trace with hash -787050610, now seen corresponding path program 1 times [2024-12-02 06:55:13,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:13,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479856763] [2024-12-02 06:55:13,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:13,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:20,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:20,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479856763] [2024-12-02 06:55:20,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479856763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:20,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:20,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:20,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409283121] [2024-12-02 06:55:20,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:20,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:20,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:20,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:20,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:20,271 INFO L87 Difference]: Start difference. First operand has 2475 states, 1819 states have (on average 1.3468938977460143) internal successors, (2450), 1845 states have internal predecessors, (2450), 560 states have call successors, (560), 94 states have call predecessors, (560), 93 states have return successors, (554), 546 states have call predecessors, (554), 554 states have call successors, (554) 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, (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 06:55:24,354 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 06:55:25,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:25,362 INFO L93 Difference]: Finished difference Result 7275 states and 10735 transitions. [2024-12-02 06:55:25,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:25,365 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, (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 149 [2024-12-02 06:55:25,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:25,417 INFO L225 Difference]: With dead ends: 7275 [2024-12-02 06:55:25,417 INFO L226 Difference]: Without dead ends: 4817 [2024-12-02 06:55:25,445 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 06:55:25,448 INFO L435 NwaCegarLoop]: 3527 mSDtfsCounter, 3376 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 6981 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 06:55:25,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3376 Valid, 6981 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:55:25,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4817 states. [2024-12-02 06:55:25,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4817 to 4813. [2024-12-02 06:55:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4813 states, 3564 states have (on average 1.3212682379349046) internal successors, (4709), 3615 states have internal predecessors, (4709), 1064 states have call successors, (1064), 183 states have call predecessors, (1064), 182 states have return successors, (1060), 1044 states have call predecessors, (1060), 1060 states have call successors, (1060) [2024-12-02 06:55:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4813 states to 4813 states and 6833 transitions. [2024-12-02 06:55:25,804 INFO L78 Accepts]: Start accepts. Automaton has 4813 states and 6833 transitions. Word has length 149 [2024-12-02 06:55:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:25,806 INFO L471 AbstractCegarLoop]: Abstraction has 4813 states and 6833 transitions. [2024-12-02 06:55:25,806 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, (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 06:55:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4813 states and 6833 transitions. [2024-12-02 06:55:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 06:55:25,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:25,812 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:55:25,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:55:25,813 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 06:55:25,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:25,814 INFO L85 PathProgramCache]: Analyzing trace with hash 805916683, now seen corresponding path program 1 times [2024-12-02 06:55:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:25,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182969350] [2024-12-02 06:55:25,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:25,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:31,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:31,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182969350] [2024-12-02 06:55:31,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182969350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:31,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:31,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:31,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066313853] [2024-12-02 06:55:31,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:31,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:31,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:31,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:31,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:31,418 INFO L87 Difference]: Start difference. First operand 4813 states and 6833 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:55:35,488 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 06:55:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:36,373 INFO L93 Difference]: Finished difference Result 14253 states and 20251 transitions. [2024-12-02 06:55:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:36,374 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 153 [2024-12-02 06:55:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:36,434 INFO L225 Difference]: With dead ends: 14253 [2024-12-02 06:55:36,434 INFO L226 Difference]: Without dead ends: 9467 [2024-12-02 06:55:36,458 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 06:55:36,458 INFO L435 NwaCegarLoop]: 3540 mSDtfsCounter, 3421 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3421 SdHoareTripleChecker+Valid, 6946 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:36,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3421 Valid, 6946 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 06:55:36,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9467 states. [2024-12-02 06:55:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9467 to 9438. [2024-12-02 06:55:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9438 states, 7010 states have (on average 1.32339514978602) internal successors, (9277), 7114 states have internal predecessors, (9277), 2066 states have call successors, (2066), 364 states have call predecessors, (2066), 359 states have return successors, (2068), 2017 states have call predecessors, (2068), 2062 states have call successors, (2068) [2024-12-02 06:55:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9438 states to 9438 states and 13411 transitions. [2024-12-02 06:55:36,819 INFO L78 Accepts]: Start accepts. Automaton has 9438 states and 13411 transitions. Word has length 153 [2024-12-02 06:55:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:36,820 INFO L471 AbstractCegarLoop]: Abstraction has 9438 states and 13411 transitions. [2024-12-02 06:55:36,820 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:55:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 9438 states and 13411 transitions. [2024-12-02 06:55:36,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-12-02 06:55:36,824 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:36,824 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:55:36,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:55:36,825 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 06:55:36,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:36,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2034531759, now seen corresponding path program 1 times [2024-12-02 06:55:36,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:36,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031443470] [2024-12-02 06:55:36,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2024-12-02 06:55:42,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:42,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031443470] [2024-12-02 06:55:42,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031443470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:42,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:42,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11648949] [2024-12-02 06:55:42,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:42,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:42,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:42,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:42,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:42,350 INFO L87 Difference]: Start difference. First operand 9438 states and 13411 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:46,402 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 06:55:48,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:55:48,085 INFO L93 Difference]: Finished difference Result 26842 states and 38167 transitions. [2024-12-02 06:55:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:55:48,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 156 [2024-12-02 06:55:48,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:55:48,224 INFO L225 Difference]: With dead ends: 26842 [2024-12-02 06:55:48,225 INFO L226 Difference]: Without dead ends: 17431 [2024-12-02 06:55:48,279 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 06:55:48,279 INFO L435 NwaCegarLoop]: 3506 mSDtfsCounter, 2957 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 6897 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:55:48,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 6897 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 06:55:48,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17431 states. [2024-12-02 06:55:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17431 to 17400. [2024-12-02 06:55:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17400 states, 12866 states have (on average 1.3248095756256801) internal successors, (17045), 13064 states have internal predecessors, (17045), 3840 states have call successors, (3840), 702 states have call predecessors, (3840), 691 states have return successors, (3850), 3743 states have call predecessors, (3850), 3836 states have call successors, (3850) [2024-12-02 06:55:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17400 states to 17400 states and 24735 transitions. [2024-12-02 06:55:49,234 INFO L78 Accepts]: Start accepts. Automaton has 17400 states and 24735 transitions. Word has length 156 [2024-12-02 06:55:49,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:55:49,234 INFO L471 AbstractCegarLoop]: Abstraction has 17400 states and 24735 transitions. [2024-12-02 06:55:49,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 06:55:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 17400 states and 24735 transitions. [2024-12-02 06:55:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 06:55:49,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:55:49,239 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:55:49,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:55:49,240 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 06:55:49,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:55:49,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1337597643, now seen corresponding path program 1 times [2024-12-02 06:55:49,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:55:49,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261806759] [2024-12-02 06:55:49,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:55:49,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:55:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:55:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-12-02 06:55:55,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:55:55,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261806759] [2024-12-02 06:55:55,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261806759] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:55:55,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:55:55,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:55:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704112861] [2024-12-02 06:55:55,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:55:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:55:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:55:55,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:55:55,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:55:55,186 INFO L87 Difference]: Start difference. First operand 17400 states and 24735 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:55:59,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:56:00,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:00,916 INFO L93 Difference]: Finished difference Result 31189 states and 44261 transitions. [2024-12-02 06:56:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:00,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 165 [2024-12-02 06:56:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:01,015 INFO L225 Difference]: With dead ends: 31189 [2024-12-02 06:56:01,015 INFO L226 Difference]: Without dead ends: 13816 [2024-12-02 06:56:01,088 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 06:56:01,088 INFO L435 NwaCegarLoop]: 4731 mSDtfsCounter, 2033 mSDsluCounter, 3423 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 8154 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:01,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 8154 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 06:56:01,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13816 states. [2024-12-02 06:56:01,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13816 to 13785. [2024-12-02 06:56:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13785 states, 10311 states have (on average 1.3265444670739985) internal successors, (13678), 10460 states have internal predecessors, (13678), 2882 states have call successors, (2882), 599 states have call predecessors, (2882), 589 states have return successors, (2885), 2803 states have call predecessors, (2885), 2878 states have call successors, (2885) [2024-12-02 06:56:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13785 states to 13785 states and 19445 transitions. [2024-12-02 06:56:01,704 INFO L78 Accepts]: Start accepts. Automaton has 13785 states and 19445 transitions. Word has length 165 [2024-12-02 06:56:01,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:01,705 INFO L471 AbstractCegarLoop]: Abstraction has 13785 states and 19445 transitions. [2024-12-02 06:56:01,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 06:56:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand 13785 states and 19445 transitions. [2024-12-02 06:56:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 06:56:01,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:01,709 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:01,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:56:01,710 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:56:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1737953822, now seen corresponding path program 1 times [2024-12-02 06:56:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741430106] [2024-12-02 06:56:01,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-12-02 06:56:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741430106] [2024-12-02 06:56:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741430106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:07,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:07,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328301926] [2024-12-02 06:56:07,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:07,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:07,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:07,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:07,915 INFO L87 Difference]: Start difference. First operand 13785 states and 19445 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 06:56:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:08,821 INFO L93 Difference]: Finished difference Result 13791 states and 19450 transitions. [2024-12-02 06:56:08,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:08,822 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 210 [2024-12-02 06:56:08,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:08,899 INFO L225 Difference]: With dead ends: 13791 [2024-12-02 06:56:08,899 INFO L226 Difference]: Without dead ends: 13789 [2024-12-02 06:56:08,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 06:56:08,911 INFO L435 NwaCegarLoop]: 3490 mSDtfsCounter, 3436 mSDsluCounter, 6967 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 10457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:08,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 10457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:56:08,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13789 states. [2024-12-02 06:56:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13789 to 13789. [2024-12-02 06:56:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13789 states, 10314 states have (on average 1.32644948613535) internal successors, (13681), 10463 states have internal predecessors, (13681), 2882 states have call successors, (2882), 600 states have call predecessors, (2882), 590 states have return successors, (2885), 2803 states have call predecessors, (2885), 2878 states have call successors, (2885) [2024-12-02 06:56:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13789 states to 13789 states and 19448 transitions. [2024-12-02 06:56:09,782 INFO L78 Accepts]: Start accepts. Automaton has 13789 states and 19448 transitions. Word has length 210 [2024-12-02 06:56:09,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:09,783 INFO L471 AbstractCegarLoop]: Abstraction has 13789 states and 19448 transitions. [2024-12-02 06:56:09,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 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 06:56:09,784 INFO L276 IsEmpty]: Start isEmpty. Operand 13789 states and 19448 transitions. [2024-12-02 06:56:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 06:56:09,790 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:09,790 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:09,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:56:09,790 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:56:09,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:09,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1857702913, now seen corresponding path program 1 times [2024-12-02 06:56:09,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:09,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444222324] [2024-12-02 06:56:09,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:09,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2024-12-02 06:56:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:16,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444222324] [2024-12-02 06:56:16,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444222324] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:16,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:16,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229431491] [2024-12-02 06:56:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:16,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:16,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:16,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:16,117 INFO L87 Difference]: Start difference. First operand 13789 states and 19448 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:56:16,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:16,941 INFO L93 Difference]: Finished difference Result 13795 states and 19453 transitions. [2024-12-02 06:56:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:16,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 215 [2024-12-02 06:56:16,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:17,028 INFO L225 Difference]: With dead ends: 13795 [2024-12-02 06:56:17,028 INFO L226 Difference]: Without dead ends: 13793 [2024-12-02 06:56:17,040 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 06:56:17,041 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3432 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 10461 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 06:56:17,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13793 states. [2024-12-02 06:56:17,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13793 to 13793. [2024-12-02 06:56:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13793 states, 10317 states have (on average 1.3263545604342348) internal successors, (13684), 10466 states have internal predecessors, (13684), 2882 states have call successors, (2882), 601 states have call predecessors, (2882), 591 states have return successors, (2885), 2803 states have call predecessors, (2885), 2878 states have call successors, (2885) [2024-12-02 06:56:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13793 states to 13793 states and 19451 transitions. [2024-12-02 06:56:17,797 INFO L78 Accepts]: Start accepts. Automaton has 13793 states and 19451 transitions. Word has length 215 [2024-12-02 06:56:17,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:17,802 INFO L471 AbstractCegarLoop]: Abstraction has 13793 states and 19451 transitions. [2024-12-02 06:56:17,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:56:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13793 states and 19451 transitions. [2024-12-02 06:56:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 06:56:17,811 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:17,811 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:17,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:56:17,811 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 06:56:17,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:17,814 INFO L85 PathProgramCache]: Analyzing trace with hash -754036798, now seen corresponding path program 1 times [2024-12-02 06:56:17,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:17,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923547840] [2024-12-02 06:56:17,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:17,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2024-12-02 06:56:23,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:23,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923547840] [2024-12-02 06:56:23,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923547840] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:23,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:23,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:23,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273679672] [2024-12-02 06:56:23,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:23,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:23,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:23,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:23,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:23,742 INFO L87 Difference]: Start difference. First operand 13793 states and 19451 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:56:24,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:24,409 INFO L93 Difference]: Finished difference Result 13799 states and 19456 transitions. [2024-12-02 06:56:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:24,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 220 [2024-12-02 06:56:24,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:24,469 INFO L225 Difference]: With dead ends: 13799 [2024-12-02 06:56:24,469 INFO L226 Difference]: Without dead ends: 13797 [2024-12-02 06:56:24,477 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 06:56:24,478 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3431 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 10461 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 06:56:24,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:24,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13797 states. [2024-12-02 06:56:24,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13797 to 13797. [2024-12-02 06:56:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13797 states, 10320 states have (on average 1.3262596899224806) internal successors, (13687), 10469 states have internal predecessors, (13687), 2882 states have call successors, (2882), 602 states have call predecessors, (2882), 592 states have return successors, (2885), 2803 states have call predecessors, (2885), 2878 states have call successors, (2885) [2024-12-02 06:56:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13797 states to 13797 states and 19454 transitions. [2024-12-02 06:56:24,931 INFO L78 Accepts]: Start accepts. Automaton has 13797 states and 19454 transitions. Word has length 220 [2024-12-02 06:56:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:24,932 INFO L471 AbstractCegarLoop]: Abstraction has 13797 states and 19454 transitions. [2024-12-02 06:56:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 06:56:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 13797 states and 19454 transitions. [2024-12-02 06:56:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 06:56:24,936 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:24,936 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:24,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:56:24,937 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 06:56:24,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:24,937 INFO L85 PathProgramCache]: Analyzing trace with hash 978103711, now seen corresponding path program 1 times [2024-12-02 06:56:24,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:24,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201368514] [2024-12-02 06:56:24,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:24,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-12-02 06:56:30,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:30,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201368514] [2024-12-02 06:56:30,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201368514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:30,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:30,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:56:30,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147901385] [2024-12-02 06:56:30,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:30,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:56:30,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:30,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:56:30,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:56:30,443 INFO L87 Difference]: Start difference. First operand 13797 states and 19454 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:56:31,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:31,166 INFO L93 Difference]: Finished difference Result 13803 states and 19459 transitions. [2024-12-02 06:56:31,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:56:31,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 225 [2024-12-02 06:56:31,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:31,215 INFO L225 Difference]: With dead ends: 13803 [2024-12-02 06:56:31,215 INFO L226 Difference]: Without dead ends: 13801 [2024-12-02 06:56:31,222 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 06:56:31,223 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3430 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 10461 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 06:56:31,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:56:31,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13801 states. [2024-12-02 06:56:31,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13801 to 13801. [2024-12-02 06:56:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13801 states, 10323 states have (on average 1.3261648745519714) internal successors, (13690), 10472 states have internal predecessors, (13690), 2882 states have call successors, (2882), 603 states have call predecessors, (2882), 593 states have return successors, (2885), 2803 states have call predecessors, (2885), 2878 states have call successors, (2885) [2024-12-02 06:56:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13801 states to 13801 states and 19457 transitions. [2024-12-02 06:56:31,712 INFO L78 Accepts]: Start accepts. Automaton has 13801 states and 19457 transitions. Word has length 225 [2024-12-02 06:56:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:31,713 INFO L471 AbstractCegarLoop]: Abstraction has 13801 states and 19457 transitions. [2024-12-02 06:56:31,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:56:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 13801 states and 19457 transitions. [2024-12-02 06:56:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-12-02 06:56:31,716 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:31,716 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:56:31,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:56:31,716 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 06:56:31,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:31,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1667738188, now seen corresponding path program 1 times [2024-12-02 06:56:31,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:31,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621902000] [2024-12-02 06:56:31,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:31,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2024-12-02 06:56:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:36,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621902000] [2024-12-02 06:56:36,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621902000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:36,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:36,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:36,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603855181] [2024-12-02 06:56:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:36,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:36,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:36,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:36,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:36,900 INFO L87 Difference]: Start difference. First operand 13801 states and 19457 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:56:40,950 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 06:56:42,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:42,321 INFO L93 Difference]: Finished difference Result 39802 states and 56192 transitions. [2024-12-02 06:56:42,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:42,321 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 242 [2024-12-02 06:56:42,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:42,416 INFO L225 Difference]: With dead ends: 39802 [2024-12-02 06:56:42,416 INFO L226 Difference]: Without dead ends: 26542 [2024-12-02 06:56:42,459 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 06:56:42,460 INFO L435 NwaCegarLoop]: 4260 mSDtfsCounter, 3367 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3367 SdHoareTripleChecker+Valid, 7728 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 06:56:42,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3367 Valid, 7728 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:56:42,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26542 states. [2024-12-02 06:56:43,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26542 to 26504. [2024-12-02 06:56:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26504 states, 19884 states have (on average 1.3278515389257695) internal successors, (26403), 20150 states have internal predecessors, (26403), 5494 states have call successors, (5494), 1138 states have call predecessors, (5494), 1123 states have return successors, (5504), 5369 states have call predecessors, (5504), 5490 states have call successors, (5504) [2024-12-02 06:56:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26504 states to 26504 states and 37401 transitions. [2024-12-02 06:56:43,384 INFO L78 Accepts]: Start accepts. Automaton has 26504 states and 37401 transitions. Word has length 242 [2024-12-02 06:56:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:43,384 INFO L471 AbstractCegarLoop]: Abstraction has 26504 states and 37401 transitions. [2024-12-02 06:56:43,384 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, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:56:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 26504 states and 37401 transitions. [2024-12-02 06:56:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 06:56:43,388 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:43,388 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:43,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:56:43,388 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 06:56:43,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:43,389 INFO L85 PathProgramCache]: Analyzing trace with hash -134452655, now seen corresponding path program 1 times [2024-12-02 06:56:43,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:43,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866046104] [2024-12-02 06:56:43,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:43,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:56:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:56:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2024-12-02 06:56:48,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:56:48,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866046104] [2024-12-02 06:56:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866046104] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:56:48,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:56:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:56:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770103242] [2024-12-02 06:56:48,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:56:48,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:56:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:56:48,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:56:48,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:56:48,879 INFO L87 Difference]: Start difference. First operand 26504 states and 37401 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:56:52,927 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 06:56:54,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:56:54,662 INFO L93 Difference]: Finished difference Result 65166 states and 92024 transitions. [2024-12-02 06:56:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:56:54,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2024-12-02 06:56:54,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:56:54,834 INFO L225 Difference]: With dead ends: 65166 [2024-12-02 06:56:54,834 INFO L226 Difference]: Without dead ends: 39203 [2024-12-02 06:56:54,929 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 06:56:54,929 INFO L435 NwaCegarLoop]: 6732 mSDtfsCounter, 3341 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 10198 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:56:54,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 10198 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:56:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39203 states. [2024-12-02 06:56:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39203 to 39199. [2024-12-02 06:56:56,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39199 states, 29437 states have (on average 1.3285321194415192) internal successors, (39108), 29820 states have internal predecessors, (39108), 8106 states have call successors, (8106), 1673 states have call predecessors, (8106), 1653 states have return successors, (8123), 7935 states have call predecessors, (8123), 8102 states have call successors, (8123) [2024-12-02 06:56:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39199 states to 39199 states and 55337 transitions. [2024-12-02 06:56:56,760 INFO L78 Accepts]: Start accepts. Automaton has 39199 states and 55337 transitions. Word has length 241 [2024-12-02 06:56:56,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:56:56,761 INFO L471 AbstractCegarLoop]: Abstraction has 39199 states and 55337 transitions. [2024-12-02 06:56:56,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-12-02 06:56:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 39199 states and 55337 transitions. [2024-12-02 06:56:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-12-02 06:56:56,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:56:56,764 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:56:56,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:56:56,765 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 06:56:56,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:56:56,765 INFO L85 PathProgramCache]: Analyzing trace with hash -709064286, now seen corresponding path program 1 times [2024-12-02 06:56:56,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:56:56,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184083670] [2024-12-02 06:56:56,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:56:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 06:57:02,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184083670] [2024-12-02 06:57:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184083670] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:02,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:02,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:02,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692335069] [2024-12-02 06:57:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:02,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:02,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:02,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:02,343 INFO L87 Difference]: Start difference. First operand 39199 states and 55337 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:03,753 INFO L93 Difference]: Finished difference Result 39205 states and 55342 transitions. [2024-12-02 06:57:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:03,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 230 [2024-12-02 06:57:03,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:03,888 INFO L225 Difference]: With dead ends: 39205 [2024-12-02 06:57:03,888 INFO L226 Difference]: Without dead ends: 39203 [2024-12-02 06:57:03,906 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 06:57:03,906 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3429 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 10461 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 06:57:03,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:03,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39203 states. [2024-12-02 06:57:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39203 to 39203. [2024-12-02 06:57:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39203 states, 29440 states have (on average 1.3284986413043478) internal successors, (39111), 29823 states have internal predecessors, (39111), 8106 states have call successors, (8106), 1674 states have call predecessors, (8106), 1654 states have return successors, (8123), 7935 states have call predecessors, (8123), 8102 states have call successors, (8123) [2024-12-02 06:57:05,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39203 states to 39203 states and 55340 transitions. [2024-12-02 06:57:05,614 INFO L78 Accepts]: Start accepts. Automaton has 39203 states and 55340 transitions. Word has length 230 [2024-12-02 06:57:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:05,615 INFO L471 AbstractCegarLoop]: Abstraction has 39203 states and 55340 transitions. [2024-12-02 06:57:05,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 39203 states and 55340 transitions. [2024-12-02 06:57:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-12-02 06:57:05,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:05,623 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:57:05,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:57:05,623 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 06:57:05,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:05,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1150580049, now seen corresponding path program 1 times [2024-12-02 06:57:05,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:05,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914482055] [2024-12-02 06:57:05,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:05,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-12-02 06:57:10,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:10,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914482055] [2024-12-02 06:57:10,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914482055] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:10,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:10,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:57:10,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121886892] [2024-12-02 06:57:10,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:10,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:57:10,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:10,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:57:10,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:57:10,995 INFO L87 Difference]: Start difference. First operand 39203 states and 55340 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:57:15,044 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 06:57:17,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:17,973 INFO L93 Difference]: Finished difference Result 90646 states and 127920 transitions. [2024-12-02 06:57:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:57:17,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 234 [2024-12-02 06:57:17,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:18,170 INFO L225 Difference]: With dead ends: 90646 [2024-12-02 06:57:18,170 INFO L226 Difference]: Without dead ends: 51984 [2024-12-02 06:57:18,282 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 06:57:18,283 INFO L435 NwaCegarLoop]: 5433 mSDtfsCounter, 2029 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 8855 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:18,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 8855 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 06:57:18,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51984 states. [2024-12-02 06:57:19,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51984 to 51933. [2024-12-02 06:57:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51933 states, 39243 states have (on average 1.3302499808883113) internal successors, (52203), 39717 states have internal predecessors, (52203), 10441 states have call successors, (10441), 2270 states have call predecessors, (10441), 2246 states have return successors, (10458), 10238 states have call predecessors, (10458), 10437 states have call successors, (10458) [2024-12-02 06:57:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51933 states to 51933 states and 73102 transitions. [2024-12-02 06:57:20,154 INFO L78 Accepts]: Start accepts. Automaton has 51933 states and 73102 transitions. Word has length 234 [2024-12-02 06:57:20,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:20,155 INFO L471 AbstractCegarLoop]: Abstraction has 51933 states and 73102 transitions. [2024-12-02 06:57:20,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 06:57:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 51933 states and 73102 transitions. [2024-12-02 06:57:20,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 06:57:20,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:20,158 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:57:20,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:57:20,158 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 06:57:20,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:20,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1997655871, now seen corresponding path program 1 times [2024-12-02 06:57:20,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:20,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853111542] [2024-12-02 06:57:20,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:20,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2024-12-02 06:57:25,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853111542] [2024-12-02 06:57:25,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853111542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:25,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:25,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:25,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182075983] [2024-12-02 06:57:25,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:25,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:25,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:25,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:25,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:25,868 INFO L87 Difference]: Start difference. First operand 51933 states and 73102 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:28,428 INFO L93 Difference]: Finished difference Result 51939 states and 73107 transitions. [2024-12-02 06:57:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:28,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 235 [2024-12-02 06:57:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:28,641 INFO L225 Difference]: With dead ends: 51939 [2024-12-02 06:57:28,641 INFO L226 Difference]: Without dead ends: 51937 [2024-12-02 06:57:28,674 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 06:57:28,675 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3428 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 10461 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 06:57:28,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:28,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51937 states. [2024-12-02 06:57:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51937 to 51937. [2024-12-02 06:57:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51937 states, 39246 states have (on average 1.3302247362788564) internal successors, (52206), 39720 states have internal predecessors, (52206), 10441 states have call successors, (10441), 2271 states have call predecessors, (10441), 2247 states have return successors, (10458), 10238 states have call predecessors, (10458), 10437 states have call successors, (10458) [2024-12-02 06:57:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51937 states to 51937 states and 73105 transitions. [2024-12-02 06:57:30,718 INFO L78 Accepts]: Start accepts. Automaton has 51937 states and 73105 transitions. Word has length 235 [2024-12-02 06:57:30,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:30,719 INFO L471 AbstractCegarLoop]: Abstraction has 51937 states and 73105 transitions. [2024-12-02 06:57:30,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 51937 states and 73105 transitions. [2024-12-02 06:57:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-12-02 06:57:30,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:30,721 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:57:30,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:57:30,722 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 06:57:30,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:30,722 INFO L85 PathProgramCache]: Analyzing trace with hash 759536514, now seen corresponding path program 1 times [2024-12-02 06:57:30,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:30,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582946528] [2024-12-02 06:57:30,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:30,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2024-12-02 06:57:36,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582946528] [2024-12-02 06:57:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582946528] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:36,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:36,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:36,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187045577] [2024-12-02 06:57:36,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:36,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:36,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:36,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:36,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:36,305 INFO L87 Difference]: Start difference. First operand 51937 states and 73105 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:38,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:38,457 INFO L93 Difference]: Finished difference Result 53980 states and 75054 transitions. [2024-12-02 06:57:38,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:38,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 240 [2024-12-02 06:57:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:38,653 INFO L225 Difference]: With dead ends: 53980 [2024-12-02 06:57:38,654 INFO L226 Difference]: Without dead ends: 53978 [2024-12-02 06:57:38,679 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 06:57:38,679 INFO L435 NwaCegarLoop]: 3572 mSDtfsCounter, 2995 mSDsluCounter, 7702 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2996 SdHoareTripleChecker+Valid, 11274 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:57:38,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2996 Valid, 11274 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:57:38,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53978 states. [2024-12-02 06:57:40,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53978 to 53978. [2024-12-02 06:57:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53978 states, 40653 states have (on average 1.3214522913438123) internal successors, (53721), 41133 states have internal predecessors, (53721), 10657 states have call successors, (10657), 2689 states have call predecessors, (10657), 2665 states have return successors, (10674), 10454 states have call predecessors, (10674), 10653 states have call successors, (10674) [2024-12-02 06:57:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53978 states to 53978 states and 75052 transitions. [2024-12-02 06:57:40,831 INFO L78 Accepts]: Start accepts. Automaton has 53978 states and 75052 transitions. Word has length 240 [2024-12-02 06:57:40,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:40,832 INFO L471 AbstractCegarLoop]: Abstraction has 53978 states and 75052 transitions. [2024-12-02 06:57:40,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:40,832 INFO L276 IsEmpty]: Start isEmpty. Operand 53978 states and 75052 transitions. [2024-12-02 06:57:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-12-02 06:57:40,834 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:40,834 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 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] [2024-12-02 06:57:40,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:57:40,835 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 06:57:40,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:40,835 INFO L85 PathProgramCache]: Analyzing trace with hash -301786913, now seen corresponding path program 1 times [2024-12-02 06:57:40,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:40,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43253785] [2024-12-02 06:57:40,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:40,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-12-02 06:57:46,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:46,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43253785] [2024-12-02 06:57:46,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43253785] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:46,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:46,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:46,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281517731] [2024-12-02 06:57:46,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:46,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:46,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:46,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:46,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:46,507 INFO L87 Difference]: Start difference. First operand 53978 states and 75052 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:48,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:48,615 INFO L93 Difference]: Finished difference Result 53984 states and 75057 transitions. [2024-12-02 06:57:48,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:48,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 245 [2024-12-02 06:57:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:48,801 INFO L225 Difference]: With dead ends: 53984 [2024-12-02 06:57:48,802 INFO L226 Difference]: Without dead ends: 53982 [2024-12-02 06:57:48,825 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 06:57:48,826 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3426 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 SdHoareTripleChecker+Valid, 10461 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 06:57:48,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3427 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53982 states. [2024-12-02 06:57:50,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53982 to 53982. [2024-12-02 06:57:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53982 states, 40656 states have (on average 1.3214285714285714) internal successors, (53724), 41136 states have internal predecessors, (53724), 10657 states have call successors, (10657), 2690 states have call predecessors, (10657), 2666 states have return successors, (10674), 10454 states have call predecessors, (10674), 10653 states have call successors, (10674) [2024-12-02 06:57:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53982 states to 53982 states and 75055 transitions. [2024-12-02 06:57:51,098 INFO L78 Accepts]: Start accepts. Automaton has 53982 states and 75055 transitions. Word has length 245 [2024-12-02 06:57:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:57:51,099 INFO L471 AbstractCegarLoop]: Abstraction has 53982 states and 75055 transitions. [2024-12-02 06:57:51,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 53982 states and 75055 transitions. [2024-12-02 06:57:51,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-12-02 06:57:51,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:57:51,101 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 9, 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] [2024-12-02 06:57:51,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:57:51,102 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 06:57:51,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:57:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash 133924194, now seen corresponding path program 1 times [2024-12-02 06:57:51,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:57:51,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125414670] [2024-12-02 06:57:51,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:57:51,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:57:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:57:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2024-12-02 06:57:56,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:57:56,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125414670] [2024-12-02 06:57:56,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125414670] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:57:56,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:57:56,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:57:56,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171744107] [2024-12-02 06:57:56,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:57:56,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:57:56,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:57:56,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:57:56,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:57:56,555 INFO L87 Difference]: Start difference. First operand 53982 states and 75055 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:57:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:57:58,731 INFO L93 Difference]: Finished difference Result 53988 states and 75060 transitions. [2024-12-02 06:57:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:57:58,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 250 [2024-12-02 06:57:58,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:57:58,924 INFO L225 Difference]: With dead ends: 53988 [2024-12-02 06:57:58,924 INFO L226 Difference]: Without dead ends: 53986 [2024-12-02 06:57:58,949 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 06:57:58,950 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3425 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3426 SdHoareTripleChecker+Valid, 10461 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 06:57:58,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3426 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:57:58,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53986 states. [2024-12-02 06:58:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53986 to 53986. [2024-12-02 06:58:01,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53986 states, 40659 states have (on average 1.3214048550136501) internal successors, (53727), 41139 states have internal predecessors, (53727), 10657 states have call successors, (10657), 2691 states have call predecessors, (10657), 2667 states have return successors, (10674), 10454 states have call predecessors, (10674), 10653 states have call successors, (10674) [2024-12-02 06:58:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53986 states to 53986 states and 75058 transitions. [2024-12-02 06:58:01,503 INFO L78 Accepts]: Start accepts. Automaton has 53986 states and 75058 transitions. Word has length 250 [2024-12-02 06:58:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:01,503 INFO L471 AbstractCegarLoop]: Abstraction has 53986 states and 75058 transitions. [2024-12-02 06:58:01,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:58:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 53986 states and 75058 transitions. [2024-12-02 06:58:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-12-02 06:58:01,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:01,506 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 10, 9, 9, 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 06:58:01,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:58:01,506 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 06:58:01,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1810986369, now seen corresponding path program 1 times [2024-12-02 06:58:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:01,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43513594] [2024-12-02 06:58:01,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2024-12-02 06:58:08,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:08,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43513594] [2024-12-02 06:58:08,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43513594] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:08,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:08,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:58:08,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600642134] [2024-12-02 06:58:08,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:08,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:58:08,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:08,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:58:08,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:08,287 INFO L87 Difference]: Start difference. First operand 53986 states and 75058 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:58:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:10,586 INFO L93 Difference]: Finished difference Result 53992 states and 75063 transitions. [2024-12-02 06:58:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:10,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 255 [2024-12-02 06:58:10,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:10,794 INFO L225 Difference]: With dead ends: 53992 [2024-12-02 06:58:10,795 INFO L226 Difference]: Without dead ends: 53990 [2024-12-02 06:58:10,821 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 06:58:10,822 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3424 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 10461 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 06:58:10,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:58:10,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53990 states. [2024-12-02 06:58:13,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53990 to 53990. [2024-12-02 06:58:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53990 states, 40662 states have (on average 1.3213811420982735) internal successors, (53730), 41142 states have internal predecessors, (53730), 10657 states have call successors, (10657), 2692 states have call predecessors, (10657), 2668 states have return successors, (10674), 10454 states have call predecessors, (10674), 10653 states have call successors, (10674) [2024-12-02 06:58:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53990 states to 53990 states and 75061 transitions. [2024-12-02 06:58:13,296 INFO L78 Accepts]: Start accepts. Automaton has 53990 states and 75061 transitions. Word has length 255 [2024-12-02 06:58:13,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:13,296 INFO L471 AbstractCegarLoop]: Abstraction has 53990 states and 75061 transitions. [2024-12-02 06:58:13,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 06:58:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53990 states and 75061 transitions. [2024-12-02 06:58:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-12-02 06:58:13,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:13,299 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 11, 11, 11, 11, 10, 10, 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] [2024-12-02 06:58:13,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:58:13,300 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 06:58:13,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1219369713, now seen corresponding path program 1 times [2024-12-02 06:58:13,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:13,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917815059] [2024-12-02 06:58:13,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2024-12-02 06:58:18,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:18,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917815059] [2024-12-02 06:58:18,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917815059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:18,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:18,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:58:18,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907269888] [2024-12-02 06:58:18,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:18,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:58:18,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:18,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:58:18,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:58:18,423 INFO L87 Difference]: Start difference. First operand 53990 states and 75061 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 06:58:22,482 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 06:58:26,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:26,157 INFO L93 Difference]: Finished difference Result 125069 states and 173880 transitions. [2024-12-02 06:58:26,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:58:26,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 295 [2024-12-02 06:58:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:26,400 INFO L225 Difference]: With dead ends: 125069 [2024-12-02 06:58:26,400 INFO L226 Difference]: Without dead ends: 71620 [2024-12-02 06:58:26,533 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 06:58:26,533 INFO L435 NwaCegarLoop]: 6867 mSDtfsCounter, 3377 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 10333 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:26,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 10333 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 06:58:26,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71620 states. [2024-12-02 06:58:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71620 to 71558. [2024-12-02 06:58:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71558 states, 53916 states have (on average 1.3215928481341346) internal successors, (71255), 54540 states have internal predecessors, (71255), 14106 states have call successors, (14106), 3570 states have call predecessors, (14106), 3533 states have return successors, (14130), 13845 states have call predecessors, (14130), 14102 states have call successors, (14130) [2024-12-02 06:58:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71558 states to 71558 states and 99491 transitions. [2024-12-02 06:58:29,976 INFO L78 Accepts]: Start accepts. Automaton has 71558 states and 99491 transitions. Word has length 295 [2024-12-02 06:58:29,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:29,976 INFO L471 AbstractCegarLoop]: Abstraction has 71558 states and 99491 transitions. [2024-12-02 06:58:29,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 06:58:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 71558 states and 99491 transitions. [2024-12-02 06:58:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-12-02 06:58:29,982 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:29,983 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 11, 11, 11, 11, 11, 11, 10, 10, 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 06:58:29,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:58:29,983 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 06:58:29,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:29,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1437615938, now seen corresponding path program 1 times [2024-12-02 06:58:29,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:29,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758987699] [2024-12-02 06:58:29,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:29,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 859 trivial. 0 not checked. [2024-12-02 06:58:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:35,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758987699] [2024-12-02 06:58:35,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758987699] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:35,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:35,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:58:35,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840741287] [2024-12-02 06:58:35,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:35,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:58:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:35,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:58:35,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:35,704 INFO L87 Difference]: Start difference. First operand 71558 states and 99491 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 06:58:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:39,425 INFO L93 Difference]: Finished difference Result 71564 states and 99496 transitions. [2024-12-02 06:58:39,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:39,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 260 [2024-12-02 06:58:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:39,736 INFO L225 Difference]: With dead ends: 71564 [2024-12-02 06:58:39,737 INFO L226 Difference]: Without dead ends: 71560 [2024-12-02 06:58:39,772 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 06:58:39,773 INFO L435 NwaCegarLoop]: 3493 mSDtfsCounter, 3423 mSDsluCounter, 6968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 10461 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 06:58:39,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 10461 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:58:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71560 states. [2024-12-02 06:58:43,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71560 to 71560. [2024-12-02 06:58:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71560 states, 53918 states have (on average 1.3215623724915613) internal successors, (71256), 54541 states have internal predecessors, (71256), 14106 states have call successors, (14106), 3571 states have call predecessors, (14106), 3533 states have return successors, (14130), 13845 states have call predecessors, (14130), 14102 states have call successors, (14130) [2024-12-02 06:58:43,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71560 states to 71560 states and 99492 transitions. [2024-12-02 06:58:43,271 INFO L78 Accepts]: Start accepts. Automaton has 71560 states and 99492 transitions. Word has length 260 [2024-12-02 06:58:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:43,272 INFO L471 AbstractCegarLoop]: Abstraction has 71560 states and 99492 transitions. [2024-12-02 06:58:43,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 06:58:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 71560 states and 99492 transitions. [2024-12-02 06:58:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-12-02 06:58:43,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:43,275 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 12, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:58:43,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:58:43,275 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 06:58:43,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash 398324663, now seen corresponding path program 1 times [2024-12-02 06:58:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461298268] [2024-12-02 06:58:43,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:58:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:58:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2024-12-02 06:58:49,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:58:49,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461298268] [2024-12-02 06:58:49,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461298268] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:58:49,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:58:49,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:58:49,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062886926] [2024-12-02 06:58:49,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:58:49,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:58:49,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:58:49,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:58:49,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:58:49,065 INFO L87 Difference]: Start difference. First operand 71560 states and 99492 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 06:58:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:58:51,969 INFO L93 Difference]: Finished difference Result 71560 states and 99492 transitions. [2024-12-02 06:58:51,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:58:51,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 301 [2024-12-02 06:58:51,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:58:52,228 INFO L225 Difference]: With dead ends: 71560 [2024-12-02 06:58:52,228 INFO L226 Difference]: Without dead ends: 70127 [2024-12-02 06:58:52,268 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 06:58:52,268 INFO L435 NwaCegarLoop]: 3491 mSDtfsCounter, 3413 mSDsluCounter, 6966 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 10457 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:58:52,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 10457 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:58:52,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70127 states. [2024-12-02 06:58:55,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70127 to 53190. [2024-12-02 06:58:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53190 states, 40086 states have (on average 1.3212343461557652) internal successors, (52963), 40527 states have internal predecessors, (52963), 10474 states have call successors, (10474), 2643 states have call predecessors, (10474), 2628 states have return successors, (10495), 10316 states have call predecessors, (10495), 10474 states have call successors, (10495) [2024-12-02 06:58:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53190 states to 53190 states and 73932 transitions. [2024-12-02 06:58:55,375 INFO L78 Accepts]: Start accepts. Automaton has 53190 states and 73932 transitions. Word has length 301 [2024-12-02 06:58:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:58:55,375 INFO L471 AbstractCegarLoop]: Abstraction has 53190 states and 73932 transitions. [2024-12-02 06:58:55,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 06:58:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53190 states and 73932 transitions. [2024-12-02 06:58:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-12-02 06:58:55,380 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:58:55,380 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 11, 11, 11, 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, 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] [2024-12-02 06:58:55,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:58:55,381 INFO L396 AbstractCegarLoop]: === Iteration 21 === 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 06:58:55,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:58:55,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2075826825, now seen corresponding path program 1 times [2024-12-02 06:58:55,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:58:55,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884723909] [2024-12-02 06:58:55,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:58:55,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2024-12-02 06:59:00,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:00,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884723909] [2024-12-02 06:59:00,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884723909] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:00,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:00,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:00,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179572998] [2024-12-02 06:59:00,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:00,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:00,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:00,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:00,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:00,504 INFO L87 Difference]: Start difference. First operand 53190 states and 73932 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:59:04,565 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 06:59:09,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:09,254 INFO L93 Difference]: Finished difference Result 122837 states and 170733 transitions. [2024-12-02 06:59:09,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:59:09,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2024-12-02 06:59:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:09,553 INFO L225 Difference]: With dead ends: 122837 [2024-12-02 06:59:09,554 INFO L226 Difference]: Without dead ends: 70188 [2024-12-02 06:59:09,725 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 06:59:09,726 INFO L435 NwaCegarLoop]: 5735 mSDtfsCounter, 3028 mSDsluCounter, 2706 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 8441 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:09,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 8441 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 06:59:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70188 states. [2024-12-02 06:59:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70188 to 70180. [2024-12-02 06:59:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70180 states, 52874 states have (on average 1.3205923516283995) internal successors, (69825), 53433 states have internal predecessors, (69825), 13769 states have call successors, (13769), 3550 states have call predecessors, (13769), 3535 states have return successors, (13790), 13577 states have call predecessors, (13790), 13769 states have call successors, (13790) [2024-12-02 06:59:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70180 states to 70180 states and 97384 transitions. [2024-12-02 06:59:13,748 INFO L78 Accepts]: Start accepts. Automaton has 70180 states and 97384 transitions. Word has length 308 [2024-12-02 06:59:13,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:13,748 INFO L471 AbstractCegarLoop]: Abstraction has 70180 states and 97384 transitions. [2024-12-02 06:59:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:59:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 70180 states and 97384 transitions. [2024-12-02 06:59:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-12-02 06:59:13,754 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:13,755 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 11, 11, 11, 11, 11, 11, 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, 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] [2024-12-02 06:59:13,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:59:13,755 INFO L396 AbstractCegarLoop]: === Iteration 22 === 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 06:59:13,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1795493749, now seen corresponding path program 1 times [2024-12-02 06:59:13,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:13,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613225311] [2024-12-02 06:59:13,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:19,456 INFO L134 CoverageAnalysis]: Checked inductivity of 880 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 867 trivial. 0 not checked. [2024-12-02 06:59:19,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:19,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613225311] [2024-12-02 06:59:19,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613225311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:19,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:19,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:19,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717931287] [2024-12-02 06:59:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:19,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:19,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:19,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:19,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:19,459 INFO L87 Difference]: Start difference. First operand 70180 states and 97384 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:59:23,516 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 06:59:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:28,846 INFO L93 Difference]: Finished difference Result 152632 states and 211854 transitions. [2024-12-02 06:59:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:59:28,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 308 [2024-12-02 06:59:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:29,192 INFO L225 Difference]: With dead ends: 152632 [2024-12-02 06:59:29,192 INFO L226 Difference]: Without dead ends: 82474 [2024-12-02 06:59:29,384 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 06:59:29,388 INFO L435 NwaCegarLoop]: 5408 mSDtfsCounter, 1979 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 8786 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 06:59:29,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 8786 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:59:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82474 states. [2024-12-02 06:59:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82474 to 82466. [2024-12-02 06:59:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82466 states, 62347 states have (on average 1.3222288161419153) internal successors, (82437), 62983 states have internal predecessors, (82437), 15950 states have call successors, (15950), 4182 states have call predecessors, (15950), 4167 states have return successors, (15971), 15742 states have call predecessors, (15971), 15950 states have call successors, (15971) [2024-12-02 06:59:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82466 states to 82466 states and 114358 transitions. [2024-12-02 06:59:34,726 INFO L78 Accepts]: Start accepts. Automaton has 82466 states and 114358 transitions. Word has length 308 [2024-12-02 06:59:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:34,727 INFO L471 AbstractCegarLoop]: Abstraction has 82466 states and 114358 transitions. [2024-12-02 06:59:34,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:59:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 82466 states and 114358 transitions. [2024-12-02 06:59:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-12-02 06:59:34,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:34,747 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:34,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:59:34,747 INFO L396 AbstractCegarLoop]: === Iteration 23 === 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 06:59:34,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:34,747 INFO L85 PathProgramCache]: Analyzing trace with hash 250221245, now seen corresponding path program 1 times [2024-12-02 06:59:34,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:34,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940224837] [2024-12-02 06:59:34,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:34,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:59:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:59:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2024-12-02 06:59:40,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:59:40,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940224837] [2024-12-02 06:59:40,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940224837] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:59:40,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:59:40,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:59:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291643220] [2024-12-02 06:59:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:59:40,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:59:40,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:59:40,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:59:40,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:59:40,786 INFO L87 Difference]: Start difference. First operand 82466 states and 114358 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 06:59:44,844 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 06:59:50,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:59:50,606 INFO L93 Difference]: Finished difference Result 177210 states and 245822 transitions. [2024-12-02 06:59:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:59:50,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 369 [2024-12-02 06:59:50,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:59:50,956 INFO L225 Difference]: With dead ends: 177210 [2024-12-02 06:59:50,956 INFO L226 Difference]: Without dead ends: 95285 [2024-12-02 06:59:51,148 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 06:59:51,148 INFO L435 NwaCegarLoop]: 4984 mSDtfsCounter, 1979 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 8361 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:59:51,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 8361 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:59:51,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95285 states. [2024-12-02 06:59:56,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95285 to 95277. [2024-12-02 06:59:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95277 states, 72228 states have (on average 1.3235864207786454) internal successors, (95600), 72943 states have internal predecessors, (95600), 18225 states have call successors, (18225), 4837 states have call predecessors, (18225), 4822 states have return successors, (18246), 18001 states have call predecessors, (18246), 18225 states have call successors, (18246) [2024-12-02 06:59:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95277 states to 95277 states and 132071 transitions. [2024-12-02 06:59:56,510 INFO L78 Accepts]: Start accepts. Automaton has 95277 states and 132071 transitions. Word has length 369 [2024-12-02 06:59:56,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:59:56,510 INFO L471 AbstractCegarLoop]: Abstraction has 95277 states and 132071 transitions. [2024-12-02 06:59:56,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 06:59:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 95277 states and 132071 transitions. [2024-12-02 06:59:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-12-02 06:59:56,522 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:59:56,522 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 11, 11, 11, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:56,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:59:56,523 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 06:59:56,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:59:56,523 INFO L85 PathProgramCache]: Analyzing trace with hash 673867967, now seen corresponding path program 1 times [2024-12-02 06:59:56,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:59:56,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903305800] [2024-12-02 06:59:56,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:59:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1093 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1069 trivial. 0 not checked. [2024-12-02 07:00:02,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:02,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903305800] [2024-12-02 07:00:02,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903305800] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:02,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:02,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:02,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604600888] [2024-12-02 07:00:02,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:02,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:02,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:02,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:02,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:02,553 INFO L87 Difference]: Start difference. First operand 95277 states and 132071 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 07:00:06,610 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 07:00:13,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:13,359 INFO L93 Difference]: Finished difference Result 202976 states and 281428 transitions. [2024-12-02 07:00:13,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:13,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 369 [2024-12-02 07:00:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:13,827 INFO L225 Difference]: With dead ends: 202976 [2024-12-02 07:00:13,827 INFO L226 Difference]: Without dead ends: 108240 [2024-12-02 07:00:14,082 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 07:00:14,082 INFO L435 NwaCegarLoop]: 5408 mSDtfsCounter, 1992 mSDsluCounter, 3378 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 8786 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:14,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 8786 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:00:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108240 states. [2024-12-02 07:00:20,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108240 to 108232. [2024-12-02 07:00:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108232 states, 82229 states have (on average 1.324435418161476) internal successors, (108907), 83023 states have internal predecessors, (108907), 20512 states have call successors, (20512), 5504 states have call predecessors, (20512), 5489 states have return successors, (20533), 20272 states have call predecessors, (20533), 20512 states have call successors, (20533) [2024-12-02 07:00:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108232 states to 108232 states and 149952 transitions. [2024-12-02 07:00:21,221 INFO L78 Accepts]: Start accepts. Automaton has 108232 states and 149952 transitions. Word has length 369 [2024-12-02 07:00:21,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:21,221 INFO L471 AbstractCegarLoop]: Abstraction has 108232 states and 149952 transitions. [2024-12-02 07:00:21,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 07:00:21,221 INFO L276 IsEmpty]: Start isEmpty. Operand 108232 states and 149952 transitions. [2024-12-02 07:00:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-12-02 07:00:21,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:21,238 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:21,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 07:00:21,239 INFO L396 AbstractCegarLoop]: === Iteration 25 === 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 07:00:21,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1132367568, now seen corresponding path program 1 times [2024-12-02 07:00:21,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:21,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286062034] [2024-12-02 07:00:21,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2024-12-02 07:00:28,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:28,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286062034] [2024-12-02 07:00:28,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286062034] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:28,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:28,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:00:28,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283132986] [2024-12-02 07:00:28,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:28,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:00:28,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:28,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:00:28,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:00:28,445 INFO L87 Difference]: Start difference. First operand 108232 states and 149952 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 07:00:33,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:33,459 INFO L93 Difference]: Finished difference Result 108232 states and 149952 transitions. [2024-12-02 07:00:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:00:33,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 410 [2024-12-02 07:00:33,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:33,871 INFO L225 Difference]: With dead ends: 108232 [2024-12-02 07:00:33,871 INFO L226 Difference]: Without dead ends: 108230 [2024-12-02 07:00:33,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 07:00:33,910 INFO L435 NwaCegarLoop]: 3513 mSDtfsCounter, 2878 mSDsluCounter, 7601 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2879 SdHoareTripleChecker+Valid, 11114 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:33,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2879 Valid, 11114 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:00:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108230 states. [2024-12-02 07:00:39,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108230 to 108230. [2024-12-02 07:00:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108230 states, 82228 states have (on average 1.323636717419857) internal successors, (108840), 83021 states have internal predecessors, (108840), 20512 states have call successors, (20512), 5504 states have call predecessors, (20512), 5489 states have return successors, (20533), 20272 states have call predecessors, (20533), 20512 states have call successors, (20533) [2024-12-02 07:00:39,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108230 states to 108230 states and 149885 transitions. [2024-12-02 07:00:39,807 INFO L78 Accepts]: Start accepts. Automaton has 108230 states and 149885 transitions. Word has length 410 [2024-12-02 07:00:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:39,808 INFO L471 AbstractCegarLoop]: Abstraction has 108230 states and 149885 transitions. [2024-12-02 07:00:39,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 07:00:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 108230 states and 149885 transitions. [2024-12-02 07:00:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2024-12-02 07:00:39,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:39,830 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 12, 12, 12, 11, 11, 11, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:39,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 07:00:39,830 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 07:00:39,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2109057789, now seen corresponding path program 1 times [2024-12-02 07:00:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:39,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969814637] [2024-12-02 07:00:39,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:39,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1349 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1349 trivial. 0 not checked. [2024-12-02 07:00:47,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:47,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969814637] [2024-12-02 07:00:47,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969814637] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:47,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:47,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:00:47,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795312720] [2024-12-02 07:00:47,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:47,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:00:47,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:47,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:00:47,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:00:47,164 INFO L87 Difference]: Start difference. First operand 108230 states and 149885 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 07:00:51,206 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 07:00:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:56,782 INFO L93 Difference]: Finished difference Result 108230 states and 149885 transitions. [2024-12-02 07:00:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:00:56,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 439 [2024-12-02 07:00:56,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:56,855 INFO L225 Difference]: With dead ends: 108230 [2024-12-02 07:00:56,855 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:00:57,060 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 07:00:57,060 INFO L435 NwaCegarLoop]: 3501 mSDtfsCounter, 567 mSDsluCounter, 9998 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 13499 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 07:00:57,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 13499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 07:00:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:00:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:00:57,061 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 07:00:57,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:00:57,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 439 [2024-12-02 07:00:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:57,121 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:00:57,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (45), 3 states have call predecessors, (45), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 07:00:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:00:57,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:00:57,128 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 07:00:57,128 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 07:00:57,129 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 07:00:57,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 07:00:57,135 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] [2024-12-02 07:00:57,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:02:55,693 WARN L286 SmtUtils]: Spent 19.70s on a formula simplification. DAG size of input: 273 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:03:37,568 WARN L286 SmtUtils]: Spent 20.53s on a formula simplification. DAG size of input: 273 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:03:44,203 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 131 DAG size of output: 37 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:04:39,516 WARN L286 SmtUtils]: Spent 54.02s on a formula simplification. DAG size of input: 540 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:04:48,998 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification. DAG size of input: 365 DAG size of output: 28 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:05:24,871 WARN L286 SmtUtils]: Spent 27.14s on a formula simplification. DAG size of input: 272 DAG size of output: 31 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:05:34,938 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 366 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:05:41,567 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 366 DAG size of output: 29 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:06:09,776 WARN L286 SmtUtils]: Spent 28.19s on a formula simplification. DAG size of input: 375 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:06:45,312 WARN L286 SmtUtils]: Spent 35.50s on a formula simplification. DAG size of input: 350 DAG size of output: 30 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:06:50,886 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 293 DAG size of output: 28 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:07:08,337 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 162 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 07:07:39,994 WARN L286 SmtUtils]: Spent 28.60s on a formula simplification. DAG size of input: 375 DAG size of output: 26 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter)