./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-media-pci-meye-meye.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_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/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_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/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-media-pci-meye-meye.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/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_920a2c96-a1d1-4588-8e88-772497f712a3/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 8507e5a0bdcdd2a76e93256a824db713a4f3e6e37dd23247025abb8afdc19d17 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:40:17,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:40:17,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:40:17,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:40:17,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:40:17,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:40:17,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:40:17,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:40:17,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:40:17,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:40:17,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:40:17,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:40:17,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:40:17,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:40:17,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:40:17,108 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:40:17,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:40:17,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:40:17,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:40:17,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:40:17,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:40:17,110 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_920a2c96-a1d1-4588-8e88-772497f712a3/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 -> 8507e5a0bdcdd2a76e93256a824db713a4f3e6e37dd23247025abb8afdc19d17 [2024-12-02 06:40:17,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:40:17,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:40:17,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:40:17,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:40:17,364 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:40:17,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-12-02 06:40:19,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/data/ebe06e450/df9c6727bafb4baea791d6bc9cace060/FLAGf01d27a00 [2024-12-02 06:40:20,438 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:40:20,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-12-02 06:40:20,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/data/ebe06e450/df9c6727bafb4baea791d6bc9cace060/FLAGf01d27a00 [2024-12-02 06:40:20,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/data/ebe06e450/df9c6727bafb4baea791d6bc9cace060 [2024-12-02 06:40:20,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:40:20,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:40:20,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:40:20,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:40:20,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:40:20,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:20" (1/1) ... [2024-12-02 06:40:20,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3087eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:20, skipping insertion in model container [2024-12-02 06:40:20,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:20" (1/1) ... [2024-12-02 06:40:20,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:40:22,811 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356251,356264] [2024-12-02 06:40:22,813 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356420,356433] [2024-12-02 06:40:22,814 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356587,356600] [2024-12-02 06:40:22,814 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356755,356768] [2024-12-02 06:40:22,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:40:22,902 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:40:23,009 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"); [4738] [2024-12-02 06:40:23,011 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)); [4745] [2024-12-02 06:40:23,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4752] [2024-12-02 06:40:23,012 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)); [4784-4785] [2024-12-02 06:40:23,012 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"); [4790-4792] [2024-12-02 06:40:23,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4875] [2024-12-02 06:40:23,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4882] [2024-12-02 06:40:23,281 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356251,356264] [2024-12-02 06:40:23,281 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356420,356433] [2024-12-02 06:40:23,282 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356587,356600] [2024-12-02 06:40:23,282 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_920a2c96-a1d1-4588-8e88-772497f712a3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i[356755,356768] [2024-12-02 06:40:23,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:40:23,411 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:40:23,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23 WrapperNode [2024-12-02 06:40:23,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:40:23,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:40:23,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:40:23,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:40:23,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:23,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:23,687 INFO L138 Inliner]: procedures = 404, calls = 4558, calls flagged for inlining = 199, calls inlined = 184, statements flattened = 7712 [2024-12-02 06:40:23,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:40:23,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:40:23,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:40:23,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:40:23,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:23,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:23,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,515 INFO L175 MemorySlicer]: Split 3520 memory accesses to 19 slices as follows [39, 5, 2, 4, 1, 5, 2, 52, 5, 1, 2, 2, 15, 4, 3, 2, 990, 2381, 5]. 68 percent of accesses are in the largest equivalence class. The 1512 initializations are split as follows [0, 5, 0, 0, 0, 5, 0, 0, 5, 1, 2, 0, 15, 0, 1, 0, 0, 1473, 5]. The 1657 writes are split as follows [39, 0, 0, 2, 0, 0, 1, 42, 0, 0, 0, 1, 0, 4, 0, 1, 988, 579, 0]. [2024-12-02 06:40:24,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,644 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:40:24,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:40:24,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:40:24,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:40:24,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (1/1) ... [2024-12-02 06:40:24,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:40:24,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:40:24,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:40:24,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_920a2c96-a1d1-4588-8e88-772497f712a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:40:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_dma_free [2024-12-02 06:40:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_dma_free [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_meye_exit_9_2 [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_meye_exit_9_2 [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 06:40:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_51 [2024-12-02 06:40:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_51 [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure meye_vm_open [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_vm_open [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure meye_open [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_open [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 06:40:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:40:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_comp_read_frame [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_comp_read_frame [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_sync [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_sync [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_dma_setup [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_dma_setup [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_grabq_lock_of_meye [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_grabq_lock_of_meye [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-12-02 06:40:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:40:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 06:40:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_vrj_setup [2024-12-02 06:40:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_vrj_setup [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 06:40:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 06:40:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_cont_compression_start [2024-12-02 06:40:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_cont_compression_start [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:40:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 06:40:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:40:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_set [2024-12-02 06:40:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_set [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_take_picture [2024-12-02 06:40:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_take_picture [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 06:40:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 06:40:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 06:40:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 06:40:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure meye_s_ctrl [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_s_ctrl [2024-12-02 06:40:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 06:40:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure meye_vm_close [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_vm_close [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure meye_release [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_release [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_cont_read_frame [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_cont_read_frame [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 06:40:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 06:40:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 06:40:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 06:40:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 06:40:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_vsize [2024-12-02 06:40:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_vsize [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 06:40:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:40:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:40:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2024-12-02 06:40:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure rvmalloc [2024-12-02 06:40:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure rvmalloc [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 06:40:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 06:40:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2024-12-02 06:40:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_timestamp [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_timestamp [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_doneq_lock_of_meye [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_doneq_lock_of_meye [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_hic_stop [2024-12-02 06:40:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_hic_stop [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 06:40:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 06:40:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 06:40:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 06:40:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 06:40:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 06:40:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 06:40:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 06:40:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 06:40:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 06:40:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:40:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:40:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:40:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:40:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:40:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_free_frame [2024-12-02 06:40:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_free_frame [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:40:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 06:40:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure meye_remove [2024-12-02 06:40:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_remove [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-12-02 06:40:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 06:40:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 06:40:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 06:40:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure meye_resume [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure meye_resume [2024-12-02 06:40:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2024-12-02 06:40:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_delay [2024-12-02 06:40:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_delay [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 06:40:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 06:40:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 06:40:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_set_framerate [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_set_framerate [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc_to_page [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc_to_page [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_subsample [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_subsample [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_continuous_start [2024-12-02 06:40:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_continuous_start [2024-12-02 06:40:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_hsize [2024-12-02 06:40:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_hsize [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:40:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_get_frame [2024-12-02 06:40:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_get_frame [2024-12-02 06:40:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure rvfree [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rvfree [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure sony_pic_camera_command [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure sony_pic_camera_command [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 06:40:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 06:40:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ptable_copy [2024-12-02 06:40:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ptable_copy [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure mchip_read [2024-12-02 06:40:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure mchip_read [2024-12-02 06:40:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 06:40:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 06:40:25,735 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:40:25,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:40:26,433 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:41:31,409 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 06:41:32,804 INFO L? ?]: Removed 2663 outVars from TransFormulas that were not future-live. [2024-12-02 06:41:32,804 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:41:32,843 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:41:32,844 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-02 06:41:32,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:32 BoogieIcfgContainer [2024-12-02 06:41:32,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:41:32,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:41:32,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:41:32,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:41:32,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:40:20" (1/3) ... [2024-12-02 06:41:32,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eac0d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:41:32, skipping insertion in model container [2024-12-02 06:41:32,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:23" (2/3) ... [2024-12-02 06:41:32,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eac0d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:41:32, skipping insertion in model container [2024-12-02 06:41:32,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:41:32" (3/3) ... [2024-12-02 06:41:32,852 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i [2024-12-02 06:41:32,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:41:32,870 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-meye-meye.cil.i that has 151 procedures, 2157 locations, 1 initial locations, 77 loop locations, and 3 error locations. [2024-12-02 06:41:32,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:41:32,973 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;@45ccca86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:41:32,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 06:41:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 1903 states, 1280 states have (on average 1.28828125) internal successors, (1649), 1302 states have internal predecessors, (1649), 525 states have call successors, (525), 96 states have call predecessors, (525), 95 states have return successors, (518), 510 states have call predecessors, (518), 518 states have call successors, (518) [2024-12-02 06:41:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-12-02 06:41:33,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:41:33,002 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:33,003 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 06:41:33,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:41:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash -359125266, now seen corresponding path program 1 times [2024-12-02 06:41:33,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:41:33,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496992488] [2024-12-02 06:41:33,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:41:33,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:41:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:41:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-12-02 06:41:57,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:41:57,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496992488] [2024-12-02 06:41:57,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496992488] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:41:57,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:41:57,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:41:57,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363247650] [2024-12-02 06:41:57,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:41:57,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:41:57,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:41:57,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:41:57,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:41:57,933 INFO L87 Difference]: Start difference. First operand has 1903 states, 1280 states have (on average 1.28828125) internal successors, (1649), 1302 states have internal predecessors, (1649), 525 states have call successors, (525), 96 states have call predecessors, (525), 95 states have return successors, (518), 510 states have call predecessors, (518), 518 states have call successors, (518) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:42:02,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:42:03,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:42:03,481 INFO L93 Difference]: Finished difference Result 5525 states and 7918 transitions. [2024-12-02 06:42:03,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:42:03,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 197 [2024-12-02 06:42:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:42:03,521 INFO L225 Difference]: With dead ends: 5525 [2024-12-02 06:42:03,521 INFO L226 Difference]: Without dead ends: 3646 [2024-12-02 06:42:03,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:42:03,537 INFO L435 NwaCegarLoop]: 2688 mSDtfsCounter, 2507 mSDsluCounter, 2604 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:42:03,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 5292 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 06:42:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2024-12-02 06:42:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3642. [2024-12-02 06:42:03,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3642 states, 2466 states have (on average 1.2798053527980535) internal successors, (3156), 2509 states have internal predecessors, (3156), 987 states have call successors, (987), 187 states have call predecessors, (987), 186 states have return successors, (983), 967 states have call predecessors, (983), 983 states have call successors, (983) [2024-12-02 06:42:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 5126 transitions. [2024-12-02 06:42:03,818 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 5126 transitions. Word has length 197 [2024-12-02 06:42:03,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:42:03,819 INFO L471 AbstractCegarLoop]: Abstraction has 3642 states and 5126 transitions. [2024-12-02 06:42:03,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:42:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 5126 transitions. [2024-12-02 06:42:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 06:42:03,828 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:42:03,828 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:42:03,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:42:03,829 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 06:42:03,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:42:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash -837768815, now seen corresponding path program 1 times [2024-12-02 06:42:03,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:42:03,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945827666] [2024-12-02 06:42:03,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:42:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:42:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:42:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-12-02 06:42:27,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:42:27,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945827666] [2024-12-02 06:42:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945827666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:42:27,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:42:27,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:42:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325363607] [2024-12-02 06:42:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:42:27,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:42:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:42:27,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:42:27,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:42:27,480 INFO L87 Difference]: Start difference. First operand 3642 states and 5126 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:42:31,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:42:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:42:34,882 INFO L93 Difference]: Finished difference Result 7843 states and 10916 transitions. [2024-12-02 06:42:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:42:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 213 [2024-12-02 06:42:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:42:34,910 INFO L225 Difference]: With dead ends: 7843 [2024-12-02 06:42:34,910 INFO L226 Difference]: Without dead ends: 4236 [2024-12-02 06:42:34,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:42:34,923 INFO L435 NwaCegarLoop]: 2672 mSDtfsCounter, 1624 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:42:34,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1624 Valid, 5224 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-12-02 06:42:34,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4236 states. [2024-12-02 06:42:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4236 to 4212. [2024-12-02 06:42:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4212 states, 2787 states have (on average 1.250448510943667) internal successors, (3485), 2842 states have internal predecessors, (3485), 1155 states have call successors, (1155), 268 states have call predecessors, (1155), 267 states have return successors, (1151), 1124 states have call predecessors, (1151), 1151 states have call successors, (1151) [2024-12-02 06:42:35,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4212 states to 4212 states and 5791 transitions. [2024-12-02 06:42:35,085 INFO L78 Accepts]: Start accepts. Automaton has 4212 states and 5791 transitions. Word has length 213 [2024-12-02 06:42:35,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:42:35,086 INFO L471 AbstractCegarLoop]: Abstraction has 4212 states and 5791 transitions. [2024-12-02 06:42:35,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 06:42:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4212 states and 5791 transitions. [2024-12-02 06:42:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-12-02 06:42:35,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:42:35,091 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2024-12-02 06:42:35,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:42:35,091 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 06:42:35,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:42:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash -380012906, now seen corresponding path program 1 times [2024-12-02 06:42:35,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:42:35,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291999634] [2024-12-02 06:42:35,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:42:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-12-02 06:43:01,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:01,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291999634] [2024-12-02 06:43:01,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291999634] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:01,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:01,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:43:01,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551648102] [2024-12-02 06:43:01,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:01,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:43:01,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:01,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:43:01,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:01,821 INFO L87 Difference]: Start difference. First operand 4212 states and 5791 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:43:06,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:43:07,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:07,392 INFO L93 Difference]: Finished difference Result 11989 states and 16496 transitions. [2024-12-02 06:43:07,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:43:07,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 231 [2024-12-02 06:43:07,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:07,459 INFO L225 Difference]: With dead ends: 11989 [2024-12-02 06:43:07,459 INFO L226 Difference]: Without dead ends: 7812 [2024-12-02 06:43:07,485 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:07,486 INFO L435 NwaCegarLoop]: 2814 mSDtfsCounter, 2459 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:07,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 5406 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 06:43:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7812 states. [2024-12-02 06:43:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7812 to 7784. [2024-12-02 06:43:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7784 states, 5202 states have (on average 1.2539407920030758) internal successors, (6523), 5305 states have internal predecessors, (6523), 2094 states have call successors, (2094), 492 states have call predecessors, (2094), 485 states have return successors, (2093), 2027 states have call predecessors, (2093), 2090 states have call successors, (2093) [2024-12-02 06:43:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7784 states to 7784 states and 10710 transitions. [2024-12-02 06:43:08,027 INFO L78 Accepts]: Start accepts. Automaton has 7784 states and 10710 transitions. Word has length 231 [2024-12-02 06:43:08,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:08,027 INFO L471 AbstractCegarLoop]: Abstraction has 7784 states and 10710 transitions. [2024-12-02 06:43:08,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:43:08,028 INFO L276 IsEmpty]: Start isEmpty. Operand 7784 states and 10710 transitions. [2024-12-02 06:43:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 06:43:08,037 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:08,038 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2024-12-02 06:43:08,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:43:08,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:43:08,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:08,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1109947264, now seen corresponding path program 1 times [2024-12-02 06:43:08,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:08,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076420533] [2024-12-02 06:43:08,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:43:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:43:37,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2024-12-02 06:43:37,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:43:37,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076420533] [2024-12-02 06:43:37,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076420533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:43:37,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:43:37,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:43:37,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767744916] [2024-12-02 06:43:37,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:43:37,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:43:37,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:43:37,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:43:37,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:37,229 INFO L87 Difference]: Start difference. First operand 7784 states and 10710 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 06:43:41,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:43:43,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:43:43,142 INFO L93 Difference]: Finished difference Result 18952 states and 26185 transitions. [2024-12-02 06:43:43,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:43:43,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 264 [2024-12-02 06:43:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:43:43,217 INFO L225 Difference]: With dead ends: 18952 [2024-12-02 06:43:43,217 INFO L226 Difference]: Without dead ends: 13187 [2024-12-02 06:43:43,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:43:43,240 INFO L435 NwaCegarLoop]: 5116 mSDtfsCounter, 2463 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2463 SdHoareTripleChecker+Valid, 7733 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:43:43,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2463 Valid, 7733 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 06:43:43,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2024-12-02 06:43:43,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13183. [2024-12-02 06:43:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13183 states, 8842 states have (on average 1.2578602126215788) internal successors, (11122), 9006 states have internal predecessors, (11122), 3527 states have call successors, (3527), 822 states have call predecessors, (3527), 811 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-12-02 06:43:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13183 states to 13183 states and 18177 transitions. [2024-12-02 06:43:43,726 INFO L78 Accepts]: Start accepts. Automaton has 13183 states and 18177 transitions. Word has length 264 [2024-12-02 06:43:43,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:43:43,726 INFO L471 AbstractCegarLoop]: Abstraction has 13183 states and 18177 transitions. [2024-12-02 06:43:43,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 06:43:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 13183 states and 18177 transitions. [2024-12-02 06:43:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-12-02 06:43:43,733 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:43:43,733 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2024-12-02 06:43:43,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:43:43,733 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 06:43:43,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:43:43,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1798816638, now seen corresponding path program 1 times [2024-12-02 06:43:43,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:43:43,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942053725] [2024-12-02 06:43:43,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:43:43,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:44:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:44:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2024-12-02 06:44:13,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:44:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942053725] [2024-12-02 06:44:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942053725] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:44:13,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:44:13,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:44:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098959103] [2024-12-02 06:44:13,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:44:13,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:44:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:44:13,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:44:13,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:44:14,000 INFO L87 Difference]: Start difference. First operand 13183 states and 18177 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 06:44:14,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:44:14,956 INFO L93 Difference]: Finished difference Result 13189 states and 18182 transitions. [2024-12-02 06:44:14,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:44:14,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 264 [2024-12-02 06:44:14,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:44:15,013 INFO L225 Difference]: With dead ends: 13189 [2024-12-02 06:44:15,014 INFO L226 Difference]: Without dead ends: 13187 [2024-12-02 06:44:15,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:44:15,022 INFO L435 NwaCegarLoop]: 2653 mSDtfsCounter, 2585 mSDsluCounter, 5296 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2586 SdHoareTripleChecker+Valid, 7949 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:44:15,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2586 Valid, 7949 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:44:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13187 states. [2024-12-02 06:44:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13187 to 13187. [2024-12-02 06:44:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13187 states, 8845 states have (on average 1.2577727529677785) internal successors, (11125), 9009 states have internal predecessors, (11125), 3527 states have call successors, (3527), 823 states have call predecessors, (3527), 812 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-12-02 06:44:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13187 states to 13187 states and 18180 transitions. [2024-12-02 06:44:15,527 INFO L78 Accepts]: Start accepts. Automaton has 13187 states and 18180 transitions. Word has length 264 [2024-12-02 06:44:15,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:44:15,527 INFO L471 AbstractCegarLoop]: Abstraction has 13187 states and 18180 transitions. [2024-12-02 06:44:15,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 06:44:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 13187 states and 18180 transitions. [2024-12-02 06:44:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 06:44:15,535 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:44:15,535 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2024-12-02 06:44:15,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:44:15,536 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 06:44:15,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:44:15,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1401265993, now seen corresponding path program 1 times [2024-12-02 06:44:15,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:44:15,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366050099] [2024-12-02 06:44:15,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:44:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:44:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:44:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2024-12-02 06:44:44,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:44:44,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366050099] [2024-12-02 06:44:44,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366050099] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:44:44,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:44:44,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:44:44,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753707403] [2024-12-02 06:44:44,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:44:44,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:44:44,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:44:44,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:44:44,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:44:44,855 INFO L87 Difference]: Start difference. First operand 13187 states and 18180 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:44:46,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:44:46,234 INFO L93 Difference]: Finished difference Result 13296 states and 18265 transitions. [2024-12-02 06:44:46,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:44:46,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 269 [2024-12-02 06:44:46,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:44:46,290 INFO L225 Difference]: With dead ends: 13296 [2024-12-02 06:44:46,290 INFO L226 Difference]: Without dead ends: 13294 [2024-12-02 06:44:46,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:44:46,298 INFO L435 NwaCegarLoop]: 2658 mSDtfsCounter, 2535 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 8013 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:44:46,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 8013 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:44:46,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13294 states. [2024-12-02 06:44:47,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13294 to 13292. [2024-12-02 06:44:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13292 states, 8920 states have (on average 1.256390134529148) internal successors, (11207), 9084 states have internal predecessors, (11207), 3527 states have call successors, (3527), 853 states have call predecessors, (3527), 842 states have return successors, (3528), 3426 states have call predecessors, (3528), 3523 states have call successors, (3528) [2024-12-02 06:44:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13292 states to 13292 states and 18262 transitions. [2024-12-02 06:44:47,129 INFO L78 Accepts]: Start accepts. Automaton has 13292 states and 18262 transitions. Word has length 269 [2024-12-02 06:44:47,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:44:47,130 INFO L471 AbstractCegarLoop]: Abstraction has 13292 states and 18262 transitions. [2024-12-02 06:44:47,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:44:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13292 states and 18262 transitions. [2024-12-02 06:44:47,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-12-02 06:44:47,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:44:47,138 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:44:47,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:44:47,139 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 06:44:47,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:44:47,139 INFO L85 PathProgramCache]: Analyzing trace with hash 485051590, now seen corresponding path program 1 times [2024-12-02 06:44:47,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:44:47,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347245550] [2024-12-02 06:44:47,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:44:47,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2024-12-02 06:45:15,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:15,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347245550] [2024-12-02 06:45:15,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347245550] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:15,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:15,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:45:15,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934804847] [2024-12-02 06:45:15,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:15,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:45:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:15,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:45:15,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:15,735 INFO L87 Difference]: Start difference. First operand 13292 states and 18262 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:45:19,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:45:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:21,903 INFO L93 Difference]: Finished difference Result 30029 states and 41351 transitions. [2024-12-02 06:45:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:45:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 281 [2024-12-02 06:45:21,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:21,968 INFO L225 Difference]: With dead ends: 30029 [2024-12-02 06:45:21,968 INFO L226 Difference]: Without dead ends: 18767 [2024-12-02 06:45:22,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:45:22,003 INFO L435 NwaCegarLoop]: 5117 mSDtfsCounter, 2492 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 7736 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:22,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 7736 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 06:45:22,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18767 states. [2024-12-02 06:45:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18767 to 18740. [2024-12-02 06:45:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18740 states, 12596 states have (on average 1.2579390282629406) internal successors, (15845), 12821 states have internal predecessors, (15845), 4960 states have call successors, (4960), 1196 states have call predecessors, (4960), 1181 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:45:22,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18740 states to 18740 states and 25768 transitions. [2024-12-02 06:45:22,918 INFO L78 Accepts]: Start accepts. Automaton has 18740 states and 25768 transitions. Word has length 281 [2024-12-02 06:45:22,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:22,919 INFO L471 AbstractCegarLoop]: Abstraction has 18740 states and 25768 transitions. [2024-12-02 06:45:22,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:45:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18740 states and 25768 transitions. [2024-12-02 06:45:22,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 06:45:22,926 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:22,926 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 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] [2024-12-02 06:45:22,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:45:22,927 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 06:45:22,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash -779683678, now seen corresponding path program 1 times [2024-12-02 06:45:22,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:22,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90049265] [2024-12-02 06:45:22,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:22,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:45:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:45:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1189 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked. [2024-12-02 06:45:53,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:45:53,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90049265] [2024-12-02 06:45:53,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90049265] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:45:53,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:45:53,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:45:53,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79177924] [2024-12-02 06:45:53,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:45:53,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:45:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:45:53,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:45:53,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:45:53,460 INFO L87 Difference]: Start difference. First operand 18740 states and 25768 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:45:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:45:54,909 INFO L93 Difference]: Finished difference Result 18809 states and 25818 transitions. [2024-12-02 06:45:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:45:54,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 274 [2024-12-02 06:45:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:45:55,018 INFO L225 Difference]: With dead ends: 18809 [2024-12-02 06:45:55,019 INFO L226 Difference]: Without dead ends: 18807 [2024-12-02 06:45:55,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:45:55,034 INFO L435 NwaCegarLoop]: 2663 mSDtfsCounter, 2534 mSDsluCounter, 5365 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 8028 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:45:55,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 8028 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:45:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18807 states. [2024-12-02 06:45:55,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18807 to 18805. [2024-12-02 06:45:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18805 states, 12643 states have (on average 1.2569801471169817) internal successors, (15892), 12868 states have internal predecessors, (15892), 4960 states have call successors, (4960), 1214 states have call predecessors, (4960), 1199 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:45:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18805 states to 18805 states and 25815 transitions. [2024-12-02 06:45:56,014 INFO L78 Accepts]: Start accepts. Automaton has 18805 states and 25815 transitions. Word has length 274 [2024-12-02 06:45:56,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:45:56,015 INFO L471 AbstractCegarLoop]: Abstraction has 18805 states and 25815 transitions. [2024-12-02 06:45:56,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:45:56,015 INFO L276 IsEmpty]: Start isEmpty. Operand 18805 states and 25815 transitions. [2024-12-02 06:45:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 06:45:56,020 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:45:56,020 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 06:45:56,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:45:56,021 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 06:45:56,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:45:56,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1668392617, now seen corresponding path program 1 times [2024-12-02 06:45:56,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:45:56,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580461242] [2024-12-02 06:45:56,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:45:56,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:46:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:46:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-12-02 06:46:26,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:46:26,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580461242] [2024-12-02 06:46:26,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580461242] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:46:26,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:46:26,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:46:26,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992534572] [2024-12-02 06:46:26,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:46:26,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:46:26,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:46:26,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:46:26,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:46:26,251 INFO L87 Difference]: Start difference. First operand 18805 states and 25815 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:46:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:46:27,569 INFO L93 Difference]: Finished difference Result 18811 states and 25820 transitions. [2024-12-02 06:46:27,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:46:27,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 279 [2024-12-02 06:46:27,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:46:27,669 INFO L225 Difference]: With dead ends: 18811 [2024-12-02 06:46:27,669 INFO L226 Difference]: Without dead ends: 18809 [2024-12-02 06:46:27,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:46:27,686 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2579 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:46:27,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:46:27,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18809 states. [2024-12-02 06:46:28,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18809 to 18809. [2024-12-02 06:46:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18809 states, 12646 states have (on average 1.256919183931678) internal successors, (15895), 12871 states have internal predecessors, (15895), 4960 states have call successors, (4960), 1215 states have call predecessors, (4960), 1200 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:46:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18809 states to 18809 states and 25818 transitions. [2024-12-02 06:46:28,740 INFO L78 Accepts]: Start accepts. Automaton has 18809 states and 25818 transitions. Word has length 279 [2024-12-02 06:46:28,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:46:28,741 INFO L471 AbstractCegarLoop]: Abstraction has 18809 states and 25818 transitions. [2024-12-02 06:46:28,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:46:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 18809 states and 25818 transitions. [2024-12-02 06:46:28,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 06:46:28,746 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:46:28,746 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 4, 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] [2024-12-02 06:46:28,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 06:46:28,746 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 06:46:28,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:46:28,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1796390082, now seen corresponding path program 1 times [2024-12-02 06:46:28,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:46:28,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19029793] [2024-12-02 06:46:28,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:46:28,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:46:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:46:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2024-12-02 06:46:58,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:46:58,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19029793] [2024-12-02 06:46:58,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19029793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:46:58,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:46:58,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:46:58,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559413517] [2024-12-02 06:46:58,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:46:58,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:46:58,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:46:58,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:46:58,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:46:58,735 INFO L87 Difference]: Start difference. First operand 18809 states and 25818 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:00,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:47:00,053 INFO L93 Difference]: Finished difference Result 18815 states and 25823 transitions. [2024-12-02 06:47:00,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:47:00,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 284 [2024-12-02 06:47:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:47:00,126 INFO L225 Difference]: With dead ends: 18815 [2024-12-02 06:47:00,126 INFO L226 Difference]: Without dead ends: 18813 [2024-12-02 06:47:00,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:47:00,139 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2578 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:47:00,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:47:00,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18813 states. [2024-12-02 06:47:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18813 to 18813. [2024-12-02 06:47:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18813 states, 12649 states have (on average 1.256858249664005) internal successors, (15898), 12874 states have internal predecessors, (15898), 4960 states have call successors, (4960), 1216 states have call predecessors, (4960), 1201 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:47:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18813 states to 18813 states and 25821 transitions. [2024-12-02 06:47:01,081 INFO L78 Accepts]: Start accepts. Automaton has 18813 states and 25821 transitions. Word has length 284 [2024-12-02 06:47:01,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:47:01,081 INFO L471 AbstractCegarLoop]: Abstraction has 18813 states and 25821 transitions. [2024-12-02 06:47:01,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 18813 states and 25821 transitions. [2024-12-02 06:47:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 06:47:01,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:47:01,091 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 6, 5, 5, 4, 4, 4, 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] [2024-12-02 06:47:01,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 06:47:01,091 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 06:47:01,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:47:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1250580983, now seen corresponding path program 1 times [2024-12-02 06:47:01,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:47:01,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318871109] [2024-12-02 06:47:01,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:47:01,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:47:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:47:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1231 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2024-12-02 06:47:25,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:47:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318871109] [2024-12-02 06:47:25,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318871109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:47:25,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:47:25,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:47:25,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766091025] [2024-12-02 06:47:25,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:47:25,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:47:25,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:47:26,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:47:26,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:47:26,000 INFO L87 Difference]: Start difference. First operand 18813 states and 25821 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:47:27,148 INFO L93 Difference]: Finished difference Result 18819 states and 25826 transitions. [2024-12-02 06:47:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:47:27,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 289 [2024-12-02 06:47:27,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:47:27,211 INFO L225 Difference]: With dead ends: 18819 [2024-12-02 06:47:27,211 INFO L226 Difference]: Without dead ends: 18817 [2024-12-02 06:47:27,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:47:27,223 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2577 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:47:27,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2578 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:47:27,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18817 states. [2024-12-02 06:47:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18817 to 18817. [2024-12-02 06:47:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18817 states, 12652 states have (on average 1.2567973442933924) internal successors, (15901), 12877 states have internal predecessors, (15901), 4960 states have call successors, (4960), 1217 states have call predecessors, (4960), 1202 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:47:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 25824 transitions. [2024-12-02 06:47:28,055 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 25824 transitions. Word has length 289 [2024-12-02 06:47:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:47:28,055 INFO L471 AbstractCegarLoop]: Abstraction has 18817 states and 25824 transitions. [2024-12-02 06:47:28,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 25824 transitions. [2024-12-02 06:47:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-12-02 06:47:28,060 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:47:28,060 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 7, 6, 6, 4, 4, 4, 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] [2024-12-02 06:47:28,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 06:47:28,061 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:47:28,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:47:28,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1430157086, now seen corresponding path program 1 times [2024-12-02 06:47:28,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:47:28,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55259383] [2024-12-02 06:47:28,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:47:28,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:47:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:47:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1241 trivial. 0 not checked. [2024-12-02 06:47:52,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:47:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55259383] [2024-12-02 06:47:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55259383] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:47:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:47:52,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:47:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628001414] [2024-12-02 06:47:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:47:52,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:47:52,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:47:52,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:47:52,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:47:52,746 INFO L87 Difference]: Start difference. First operand 18817 states and 25824 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:47:53,943 INFO L93 Difference]: Finished difference Result 18823 states and 25829 transitions. [2024-12-02 06:47:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:47:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 294 [2024-12-02 06:47:53,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:47:53,997 INFO L225 Difference]: With dead ends: 18823 [2024-12-02 06:47:53,998 INFO L226 Difference]: Without dead ends: 18821 [2024-12-02 06:47:54,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:47:54,008 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2576 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2577 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:47:54,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2577 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:47:54,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18821 states. [2024-12-02 06:47:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18821 to 18821. [2024-12-02 06:47:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18821 states, 12655 states have (on average 1.2567364677992887) internal successors, (15904), 12880 states have internal predecessors, (15904), 4960 states have call successors, (4960), 1218 states have call predecessors, (4960), 1203 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:47:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18821 states to 18821 states and 25827 transitions. [2024-12-02 06:47:54,892 INFO L78 Accepts]: Start accepts. Automaton has 18821 states and 25827 transitions. Word has length 294 [2024-12-02 06:47:54,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:47:54,893 INFO L471 AbstractCegarLoop]: Abstraction has 18821 states and 25827 transitions. [2024-12-02 06:47:54,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 06:47:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 18821 states and 25827 transitions. [2024-12-02 06:47:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-12-02 06:47:54,898 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:47:54,898 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 8, 7, 7, 4, 4, 4, 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] [2024-12-02 06:47:54,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 06:47:54,898 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 06:47:54,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:47:54,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1710988649, now seen corresponding path program 1 times [2024-12-02 06:47:54,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:47:54,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470376965] [2024-12-02 06:47:54,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:47:54,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:48:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:19,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2024-12-02 06:48:19,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:48:19,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470376965] [2024-12-02 06:48:19,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470376965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:19,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:19,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:48:19,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957449944] [2024-12-02 06:48:19,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:19,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:48:19,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:48:19,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:48:19,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:48:19,032 INFO L87 Difference]: Start difference. First operand 18821 states and 25827 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 06:48:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:48:20,302 INFO L93 Difference]: Finished difference Result 18827 states and 25832 transitions. [2024-12-02 06:48:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:48:20,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 299 [2024-12-02 06:48:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:48:20,346 INFO L225 Difference]: With dead ends: 18827 [2024-12-02 06:48:20,346 INFO L226 Difference]: Without dead ends: 18823 [2024-12-02 06:48:20,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:48:20,352 INFO L435 NwaCegarLoop]: 2656 mSDtfsCounter, 2575 mSDsluCounter, 5297 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:48:20,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 7953 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:48:20,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18823 states. [2024-12-02 06:48:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18823 to 18823. [2024-12-02 06:48:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18823 states, 12657 states have (on average 1.2566168918385083) internal successors, (15905), 12881 states have internal predecessors, (15905), 4960 states have call successors, (4960), 1219 states have call predecessors, (4960), 1203 states have return successors, (4963), 4825 states have call predecessors, (4963), 4956 states have call successors, (4963) [2024-12-02 06:48:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18823 states to 18823 states and 25828 transitions. [2024-12-02 06:48:21,154 INFO L78 Accepts]: Start accepts. Automaton has 18823 states and 25828 transitions. Word has length 299 [2024-12-02 06:48:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:48:21,155 INFO L471 AbstractCegarLoop]: Abstraction has 18823 states and 25828 transitions. [2024-12-02 06:48:21,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 06:48:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 18823 states and 25828 transitions. [2024-12-02 06:48:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-12-02 06:48:21,164 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:21,164 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 9, 8, 8, 4, 4, 4, 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] [2024-12-02 06:48:21,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 06:48:21,165 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 06:48:21,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:21,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1503044350, now seen corresponding path program 1 times [2024-12-02 06:48:21,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:48:21,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080227807] [2024-12-02 06:48:21,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:21,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:48:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:48:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2024-12-02 06:48:46,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:48:46,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080227807] [2024-12-02 06:48:46,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080227807] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:48:46,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:48:46,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:48:46,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398895911] [2024-12-02 06:48:46,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:48:46,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:48:46,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:48:46,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:48:46,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:48:46,167 INFO L87 Difference]: Start difference. First operand 18823 states and 25828 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 06:48:47,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:48:47,370 INFO L93 Difference]: Finished difference Result 18823 states and 25828 transitions. [2024-12-02 06:48:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:48:47,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 304 [2024-12-02 06:48:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:48:47,422 INFO L225 Difference]: With dead ends: 18823 [2024-12-02 06:48:47,423 INFO L226 Difference]: Without dead ends: 18667 [2024-12-02 06:48:47,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:48:47,433 INFO L435 NwaCegarLoop]: 2654 mSDtfsCounter, 2571 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 7949 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:48:47,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 7949 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:48:47,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18667 states. [2024-12-02 06:48:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18667 to 18667. [2024-12-02 06:48:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18667 states, 12550 states have (on average 1.2575298804780877) internal successors, (15782), 12762 states have internal predecessors, (15782), 4924 states have call successors, (4924), 1205 states have call predecessors, (4924), 1191 states have return successors, (4931), 4802 states have call predecessors, (4931), 4924 states have call successors, (4931) [2024-12-02 06:48:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18667 states to 18667 states and 25637 transitions. [2024-12-02 06:48:48,376 INFO L78 Accepts]: Start accepts. Automaton has 18667 states and 25637 transitions. Word has length 304 [2024-12-02 06:48:48,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:48:48,377 INFO L471 AbstractCegarLoop]: Abstraction has 18667 states and 25637 transitions. [2024-12-02 06:48:48,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 06:48:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 18667 states and 25637 transitions. [2024-12-02 06:48:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 06:48:48,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:48:48,386 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:48:48,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 06:48:48,386 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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 06:48:48,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:48:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash -217515354, now seen corresponding path program 1 times [2024-12-02 06:48:48,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:48:48,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388479331] [2024-12-02 06:48:48,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:48:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked. [2024-12-02 06:49:11,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:11,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388479331] [2024-12-02 06:49:11,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388479331] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:11,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:11,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:49:11,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10236407] [2024-12-02 06:49:11,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:11,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:49:11,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:11,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:49:11,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:11,652 INFO L87 Difference]: Start difference. First operand 18667 states and 25637 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:49:15,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:49:17,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:17,789 INFO L93 Difference]: Finished difference Result 40735 states and 56009 transitions. [2024-12-02 06:49:17,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:49:17,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 332 [2024-12-02 06:49:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:17,845 INFO L225 Difference]: With dead ends: 40735 [2024-12-02 06:49:17,845 INFO L226 Difference]: Without dead ends: 24093 [2024-12-02 06:49:17,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:17,878 INFO L435 NwaCegarLoop]: 5069 mSDtfsCounter, 2457 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2457 SdHoareTripleChecker+Valid, 7645 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:17,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2457 Valid, 7645 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 06:49:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24093 states. [2024-12-02 06:49:18,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24093 to 18667. [2024-12-02 06:49:18,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18667 states, 12550 states have (on average 1.2575298804780877) internal successors, (15782), 12762 states have internal predecessors, (15782), 4924 states have call successors, (4924), 1205 states have call predecessors, (4924), 1191 states have return successors, (4931), 4802 states have call predecessors, (4931), 4924 states have call successors, (4931) [2024-12-02 06:49:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18667 states to 18667 states and 25637 transitions. [2024-12-02 06:49:18,812 INFO L78 Accepts]: Start accepts. Automaton has 18667 states and 25637 transitions. Word has length 332 [2024-12-02 06:49:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:18,812 INFO L471 AbstractCegarLoop]: Abstraction has 18667 states and 25637 transitions. [2024-12-02 06:49:18,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 06:49:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 18667 states and 25637 transitions. [2024-12-02 06:49:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 06:49:18,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:18,822 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:49:18,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 06:49:18,822 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:49:18,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash -710141528, now seen corresponding path program 1 times [2024-12-02 06:49:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377588658] [2024-12-02 06:49:18,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:49:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:49:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1401 trivial. 0 not checked. [2024-12-02 06:49:42,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:49:42,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377588658] [2024-12-02 06:49:42,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377588658] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:49:42,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:49:42,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:49:42,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334194744] [2024-12-02 06:49:42,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:49:42,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:49:42,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:49:42,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:49:42,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:42,655 INFO L87 Difference]: Start difference. First operand 18667 states and 25637 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 06:49:46,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:49:50,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:49:50,438 INFO L93 Difference]: Finished difference Result 41497 states and 56908 transitions. [2024-12-02 06:49:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:49:50,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 332 [2024-12-02 06:49:50,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:49:50,516 INFO L225 Difference]: With dead ends: 41497 [2024-12-02 06:49:50,516 INFO L226 Difference]: Without dead ends: 24867 [2024-12-02 06:49:50,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:49:50,564 INFO L435 NwaCegarLoop]: 4186 mSDtfsCounter, 1610 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 6650 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:49:50,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 6650 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-12-02 06:49:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24867 states. [2024-12-02 06:49:51,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24867 to 24859. [2024-12-02 06:49:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24859 states, 16615 states have (on average 1.2503761661149564) internal successors, (20775), 16903 states have internal predecessors, (20775), 6590 states have call successors, (6590), 1672 states have call predecessors, (6590), 1652 states have return successors, (6600), 6416 states have call predecessors, (6600), 6590 states have call successors, (6600) [2024-12-02 06:49:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24859 states to 24859 states and 33965 transitions. [2024-12-02 06:49:51,873 INFO L78 Accepts]: Start accepts. Automaton has 24859 states and 33965 transitions. Word has length 332 [2024-12-02 06:49:51,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:49:51,874 INFO L471 AbstractCegarLoop]: Abstraction has 24859 states and 33965 transitions. [2024-12-02 06:49:51,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 06:49:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 24859 states and 33965 transitions. [2024-12-02 06:49:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-12-02 06:49:51,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:49:51,889 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:49:51,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 06:49:51,890 INFO L396 AbstractCegarLoop]: === Iteration 17 === 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 06:49:51,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:49:51,890 INFO L85 PathProgramCache]: Analyzing trace with hash 186210271, now seen corresponding path program 1 times [2024-12-02 06:49:51,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:49:51,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540880898] [2024-12-02 06:49:51,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:49:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1846 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2024-12-02 06:50:15,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540880898] [2024-12-02 06:50:15,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540880898] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:15,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:50:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027056138] [2024-12-02 06:50:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:15,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:50:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:15,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:50:15,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:15,869 INFO L87 Difference]: Start difference. First operand 24859 states and 33965 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 06:50:20,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:50:23,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:50:23,275 INFO L93 Difference]: Finished difference Result 59905 states and 81914 transitions. [2024-12-02 06:50:23,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:50:23,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 477 [2024-12-02 06:50:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:50:23,376 INFO L225 Difference]: With dead ends: 59905 [2024-12-02 06:50:23,377 INFO L226 Difference]: Without dead ends: 34905 [2024-12-02 06:50:23,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:23,440 INFO L435 NwaCegarLoop]: 3124 mSDtfsCounter, 1990 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1990 SdHoareTripleChecker+Valid, 5675 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:50:23,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1990 Valid, 5675 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-12-02 06:50:23,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34905 states. [2024-12-02 06:50:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34905 to 34895. [2024-12-02 06:50:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34895 states, 23848 states have (on average 1.2578832606507884) internal successors, (29998), 24210 states have internal predecessors, (29998), 8720 states have call successors, (8720), 2343 states have call predecessors, (8720), 2325 states have return successors, (8729), 8515 states have call predecessors, (8729), 8720 states have call successors, (8729) [2024-12-02 06:50:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34895 states to 34895 states and 47447 transitions. [2024-12-02 06:50:25,368 INFO L78 Accepts]: Start accepts. Automaton has 34895 states and 47447 transitions. Word has length 477 [2024-12-02 06:50:25,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:50:25,368 INFO L471 AbstractCegarLoop]: Abstraction has 34895 states and 47447 transitions. [2024-12-02 06:50:25,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 06:50:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 34895 states and 47447 transitions. [2024-12-02 06:50:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2024-12-02 06:50:25,386 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:50:25,386 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 24, 24, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:50:25,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 06:50:25,386 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 06:50:25,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:50:25,387 INFO L85 PathProgramCache]: Analyzing trace with hash 463757047, now seen corresponding path program 1 times [2024-12-02 06:50:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:50:25,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501330998] [2024-12-02 06:50:25,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:50:25,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:50:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:50:48,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3857 trivial. 0 not checked. [2024-12-02 06:50:48,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:50:48,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501330998] [2024-12-02 06:50:48,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501330998] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:50:48,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:50:48,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:50:48,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973216236] [2024-12-02 06:50:48,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:50:48,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:50:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:50:48,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:50:48,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:48,826 INFO L87 Difference]: Start difference. First operand 34895 states and 47447 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 06:50:53,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:50:57,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:50:57,596 INFO L93 Difference]: Finished difference Result 78327 states and 106282 transitions. [2024-12-02 06:50:57,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:50:57,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 612 [2024-12-02 06:50:57,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:50:57,735 INFO L225 Difference]: With dead ends: 78327 [2024-12-02 06:50:57,735 INFO L226 Difference]: Without dead ends: 43625 [2024-12-02 06:50:57,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:50:57,819 INFO L435 NwaCegarLoop]: 4187 mSDtfsCounter, 1583 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:50:57,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 6681 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2024-12-02 06:50:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43625 states. [2024-12-02 06:50:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43625 to 43613. [2024-12-02 06:50:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43613 states, 29734 states have (on average 1.2526064438017084) internal successors, (37245), 30196 states have internal predecessors, (37245), 10861 states have call successors, (10861), 3040 states have call predecessors, (10861), 3016 states have return successors, (10873), 10589 states have call predecessors, (10873), 10861 states have call successors, (10873) [2024-12-02 06:51:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43613 states to 43613 states and 58979 transitions. [2024-12-02 06:51:00,080 INFO L78 Accepts]: Start accepts. Automaton has 43613 states and 58979 transitions. Word has length 612 [2024-12-02 06:51:00,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:00,081 INFO L471 AbstractCegarLoop]: Abstraction has 43613 states and 58979 transitions. [2024-12-02 06:51:00,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 06:51:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 43613 states and 58979 transitions. [2024-12-02 06:51:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2024-12-02 06:51:00,103 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:00,103 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 24, 24, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:51:00,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 06:51:00,103 INFO L396 AbstractCegarLoop]: === Iteration 19 === 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 06:51:00,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:00,104 INFO L85 PathProgramCache]: Analyzing trace with hash -429729291, now seen corresponding path program 1 times [2024-12-02 06:51:00,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:00,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625703154] [2024-12-02 06:51:00,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:00,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:51:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3884 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3857 trivial. 0 not checked. [2024-12-02 06:51:23,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:51:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625703154] [2024-12-02 06:51:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625703154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:51:23,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:51:23,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:51:23,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803230737] [2024-12-02 06:51:23,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:51:23,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:51:23,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:51:23,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:51:23,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:51:23,745 INFO L87 Difference]: Start difference. First operand 43613 states and 58979 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 06:51:27,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:51:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:51:32,828 INFO L93 Difference]: Finished difference Result 95090 states and 128453 transitions. [2024-12-02 06:51:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:51:32,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 612 [2024-12-02 06:51:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:51:32,998 INFO L225 Difference]: With dead ends: 95090 [2024-12-02 06:51:32,998 INFO L226 Difference]: Without dead ends: 51515 [2024-12-02 06:51:33,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:51:33,098 INFO L435 NwaCegarLoop]: 4187 mSDtfsCounter, 1596 mSDsluCounter, 2481 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 6668 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-12-02 06:51:33,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 6668 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-12-02 06:51:33,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51515 states. [2024-12-02 06:51:35,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51515 to 51503. [2024-12-02 06:51:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51503 states, 35014 states have (on average 1.2487576398012223) internal successors, (43724), 35570 states have internal predecessors, (43724), 12853 states have call successors, (12853), 3664 states have call predecessors, (12853), 3634 states have return successors, (12868), 12514 states have call predecessors, (12868), 12853 states have call successors, (12868) [2024-12-02 06:51:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51503 states to 51503 states and 69445 transitions. [2024-12-02 06:51:35,930 INFO L78 Accepts]: Start accepts. Automaton has 51503 states and 69445 transitions. Word has length 612 [2024-12-02 06:51:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:51:35,930 INFO L471 AbstractCegarLoop]: Abstraction has 51503 states and 69445 transitions. [2024-12-02 06:51:35,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 06:51:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 51503 states and 69445 transitions. [2024-12-02 06:51:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2024-12-02 06:51:35,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:51:35,966 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:51:35,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 06:51:35,967 INFO L396 AbstractCegarLoop]: === Iteration 20 === 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 06:51:35,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:51:35,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1000495374, now seen corresponding path program 1 times [2024-12-02 06:51:35,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:51:35,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711221124] [2024-12-02 06:51:35,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:51:35,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:51:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2164 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2024-12-02 06:52:00,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:52:00,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711221124] [2024-12-02 06:52:00,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711221124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:00,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:00,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:52:00,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432878686] [2024-12-02 06:52:00,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:00,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:52:00,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:52:00,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:52:00,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:52:00,574 INFO L87 Difference]: Start difference. First operand 51503 states and 69445 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-12-02 06:52:04,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:52:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:09,705 INFO L93 Difference]: Finished difference Result 119285 states and 160881 transitions. [2024-12-02 06:52:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:52:09,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 552 [2024-12-02 06:52:09,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:09,974 INFO L225 Difference]: With dead ends: 119285 [2024-12-02 06:52:09,974 INFO L226 Difference]: Without dead ends: 67975 [2024-12-02 06:52:10,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:52:10,122 INFO L435 NwaCegarLoop]: 4460 mSDtfsCounter, 1986 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 7000 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:10,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 7000 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-12-02 06:52:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67975 states. [2024-12-02 06:52:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67975 to 67961. [2024-12-02 06:52:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67961 states, 46726 states have (on average 1.251551598681676) internal successors, (58480), 47422 states have internal predecessors, (58480), 16365 states have call successors, (16365), 4898 states have call predecessors, (16365), 4868 states have return successors, (16380), 15949 states have call predecessors, (16380), 16365 states have call successors, (16380) [2024-12-02 06:52:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67961 states to 67961 states and 91225 transitions. [2024-12-02 06:52:13,827 INFO L78 Accepts]: Start accepts. Automaton has 67961 states and 91225 transitions. Word has length 552 [2024-12-02 06:52:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:13,827 INFO L471 AbstractCegarLoop]: Abstraction has 67961 states and 91225 transitions. [2024-12-02 06:52:13,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 3 states have call successors, (63), 2 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2024-12-02 06:52:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 67961 states and 91225 transitions. [2024-12-02 06:52:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-12-02 06:52:13,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:13,853 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 26, 26, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:13,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 06:52:13,854 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 06:52:13,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:13,854 INFO L85 PathProgramCache]: Analyzing trace with hash -478642820, now seen corresponding path program 1 times [2024-12-02 06:52:13,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:52:13,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586622029] [2024-12-02 06:52:13,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:52:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:52:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4196 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4151 trivial. 0 not checked. [2024-12-02 06:52:38,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:52:38,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586622029] [2024-12-02 06:52:38,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586622029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:52:38,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:52:38,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:52:38,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834651863] [2024-12-02 06:52:38,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:52:38,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:52:38,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:52:38,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:52:38,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:52:38,755 INFO L87 Difference]: Start difference. First operand 67961 states and 91225 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:52:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:52:42,264 INFO L93 Difference]: Finished difference Result 135729 states and 182249 transitions. [2024-12-02 06:52:42,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:52:42,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 664 [2024-12-02 06:52:42,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:52:42,610 INFO L225 Difference]: With dead ends: 135729 [2024-12-02 06:52:42,610 INFO L226 Difference]: Without dead ends: 67961 [2024-12-02 06:52:42,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:52:42,724 INFO L435 NwaCegarLoop]: 2604 mSDtfsCounter, 0 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7810 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:52:42,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7810 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:52:42,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67961 states. [2024-12-02 06:52:46,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67961 to 67961. [2024-12-02 06:52:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67961 states, 46726 states have (on average 1.2506527415143602) internal successors, (58438), 47422 states have internal predecessors, (58438), 16365 states have call successors, (16365), 4898 states have call predecessors, (16365), 4868 states have return successors, (16380), 15949 states have call predecessors, (16380), 16365 states have call successors, (16380) [2024-12-02 06:52:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67961 states to 67961 states and 91183 transitions. [2024-12-02 06:52:47,051 INFO L78 Accepts]: Start accepts. Automaton has 67961 states and 91183 transitions. Word has length 664 [2024-12-02 06:52:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:52:47,052 INFO L471 AbstractCegarLoop]: Abstraction has 67961 states and 91183 transitions. [2024-12-02 06:52:47,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:52:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 67961 states and 91183 transitions. [2024-12-02 06:52:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 695 [2024-12-02 06:52:47,211 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:52:47,212 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 26, 26, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:52:47,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 06:52:47,212 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 06:52:47,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:52:47,213 INFO L85 PathProgramCache]: Analyzing trace with hash -298216486, now seen corresponding path program 1 times [2024-12-02 06:52:47,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:52:47,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747898116] [2024-12-02 06:52:47,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:52:47,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:53:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:53:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4196 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4151 trivial. 0 not checked. [2024-12-02 06:53:14,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:53:14,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747898116] [2024-12-02 06:53:14,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747898116] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:53:14,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:53:14,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:53:14,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621295529] [2024-12-02 06:53:14,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:53:14,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:53:14,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:53:14,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:53:14,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:53:14,020 INFO L87 Difference]: Start difference. First operand 67961 states and 91183 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 06:53:19,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:53:19,037 INFO L93 Difference]: Finished difference Result 135813 states and 182291 transitions. [2024-12-02 06:53:19,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:53:19,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 694 [2024-12-02 06:53:19,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:53:19,323 INFO L225 Difference]: With dead ends: 135813 [2024-12-02 06:53:19,323 INFO L226 Difference]: Without dead ends: 68045 [2024-12-02 06:53:19,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:53:19,498 INFO L435 NwaCegarLoop]: 2604 mSDtfsCounter, 1 mSDsluCounter, 2601 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5205 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:53:19,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5205 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 06:53:19,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68045 states. [2024-12-02 06:53:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68045 to 68003. [2024-12-02 06:53:23,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68003 states, 46768 states have (on average 1.2504276428327061) internal successors, (58480), 47464 states have internal predecessors, (58480), 16365 states have call successors, (16365), 4898 states have call predecessors, (16365), 4868 states have return successors, (16380), 15949 states have call predecessors, (16380), 16365 states have call successors, (16380) [2024-12-02 06:53:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68003 states to 68003 states and 91225 transitions. [2024-12-02 06:53:23,735 INFO L78 Accepts]: Start accepts. Automaton has 68003 states and 91225 transitions. Word has length 694 [2024-12-02 06:53:23,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:53:23,736 INFO L471 AbstractCegarLoop]: Abstraction has 68003 states and 91225 transitions. [2024-12-02 06:53:23,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 06:53:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68003 states and 91225 transitions. [2024-12-02 06:53:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2024-12-02 06:53:23,868 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:53:23,868 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 26, 26, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:53:23,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:53:23,869 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 06:53:23,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:53:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash 721142966, now seen corresponding path program 1 times [2024-12-02 06:53:23,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:53:23,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710050371] [2024-12-02 06:53:23,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:53:23,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms