./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-radio-wl128x-fm_drv.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_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/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_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/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-radio-wl128x-fm_drv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/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_e5753863-883b-45ba-a837-b66dacccc934/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 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:17:44,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:17:44,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:17:44,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:17:44,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:17:44,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:17:44,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:17:44,690 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:17:44,690 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:17:44,690 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:17:44,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:17:44,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:17:44,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:17:44,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:17:44,691 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:17:44,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:17:44,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:17:44,691 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:17:44,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:17:44,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:17:44,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:17:44,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:17:44,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:17:44,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:17:44,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:17:44,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:17:44,694 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_e5753863-883b-45ba-a837-b66dacccc934/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 -> 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb [2024-12-02 10:17:44,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:17:44,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:17:44,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:17:44,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:17:44,907 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:17:44,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 10:17:47,529 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/data/8d71027f9/f6d62ba94bdd40fdaeed10cabbdef9f5/FLAGda50745d4 [2024-12-02 10:17:47,964 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:17:47,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 10:17:47,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/data/8d71027f9/f6d62ba94bdd40fdaeed10cabbdef9f5/FLAGda50745d4 [2024-12-02 10:17:48,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/data/8d71027f9/f6d62ba94bdd40fdaeed10cabbdef9f5 [2024-12-02 10:17:48,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:17:48,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:17:48,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:17:48,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:17:48,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:17:48,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:48" (1/1) ... [2024-12-02 10:17:48,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c017ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:48, skipping insertion in model container [2024-12-02 10:17:48,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:48" (1/1) ... [2024-12-02 10:17:48,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:17:50,263 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2024-12-02 10:17:50,267 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2024-12-02 10:17:50,267 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2024-12-02 10:17:50,268 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2024-12-02 10:17:50,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:17:50,326 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:17:50,402 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"); [4781] [2024-12-02 10:17:50,404 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)); [4788] [2024-12-02 10:17:50,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4795] [2024-12-02 10:17:50,406 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; decl %0": "+m" (v->counter)); [4833] [2024-12-02 10:17:50,638 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2024-12-02 10:17:50,638 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2024-12-02 10:17:50,639 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2024-12-02 10:17:50,639 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_e5753863-883b-45ba-a837-b66dacccc934/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2024-12-02 10:17:50,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:17:50,883 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:17:50,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50 WrapperNode [2024-12-02 10:17:50,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:17:50,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:17:50,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:17:50,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:17:50,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:50,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,096 INFO L138 Inliner]: procedures = 424, calls = 2633, calls flagged for inlining = 194, calls inlined = 144, statements flattened = 5138 [2024-12-02 10:17:51,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:17:51,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:17:51,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:17:51,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:17:51,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,849 INFO L175 MemorySlicer]: Split 941 memory accesses to 19 slices as follows [2, 2, 3, 4, 2, 1, 2, 2, 12, 3, 0, 2, 3, 8, 2, 2, 2, 873, 16]. 93 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [0, 0, 3, 0, 0, 1, 2, 0, 8, 0, 0, 0, 0, 8, 0, 0, 0, 22, 0]. The 664 writes are split as follows [1, 1, 0, 2, 0, 0, 0, 1, 0, 3, 0, 0, 0, 0, 1, 2, 2, 637, 14]. [2024-12-02 10:17:51,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,936 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:51,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:52,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:52,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:17:52,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:17:52,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:17:52,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:17:52,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (1/1) ... [2024-12-02 10:17:52,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:17:52,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:17:52,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:17:52,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5753863-883b-45ba-a837-b66dacccc934/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:17:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2024-12-02 10:17:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2024-12-02 10:17:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 10:17:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 10:17:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2024-12-02 10:17:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2024-12-02 10:17:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2024-12-02 10:17:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2024-12-02 10:17:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-12-02 10:17:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-12-02 10:17:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 10:17:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 10:17:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2024-12-02 10:17:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 10:17:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 10:17:52,090 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 10:17:52,090 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 10:17:52,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:17:52,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:17:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 10:17:52,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:17:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2024-12-02 10:17:52,094 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:17:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 10:17:52,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 10:17:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 10:17:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 10:17:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 10:17:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 10:17:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-12-02 10:17:52,097 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:17:52,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:17:52,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 10:17:52,098 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:17:52,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:17:52,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 10:17:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:17:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-12-02 10:17:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 10:17:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:17:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2024-12-02 10:17:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:17:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:17:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2024-12-02 10:17:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2024-12-02 10:17:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2024-12-02 10:17:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 10:17:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 10:17:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 10:17:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2024-12-02 10:17:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-12-02 10:17:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-12-02 10:17:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-12-02 10:17:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:17:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2024-12-02 10:17:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2024-12-02 10:17:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2024-12-02 10:17:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:17:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-12-02 10:17:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 10:17:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:17:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-12-02 10:17:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2024-12-02 10:17:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2024-12-02 10:17:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2024-12-02 10:17:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2024-12-02 10:17:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 10:17:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 10:17:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-12-02 10:17:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:17:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 10:17:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 10:17:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2024-12-02 10:17:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2024-12-02 10:17:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 10:17:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:17:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:17:52,997 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:17:53,000 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:17:53,872 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:18:09,980 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 10:18:10,881 INFO L? ?]: Removed 2414 outVars from TransFormulas that were not future-live. [2024-12-02 10:18:10,882 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:18:10,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:18:10,921 INFO L312 CfgBuilder]: Removed 22 assume(true) statements. [2024-12-02 10:18:10,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:10 BoogieIcfgContainer [2024-12-02 10:18:10,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:18:10,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:18:10,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:18:10,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:18:10,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:17:48" (1/3) ... [2024-12-02 10:18:10,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615119fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:10, skipping insertion in model container [2024-12-02 10:18:10,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:50" (2/3) ... [2024-12-02 10:18:10,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615119fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:10, skipping insertion in model container [2024-12-02 10:18:10,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:10" (3/3) ... [2024-12-02 10:18:10,930 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 10:18:10,945 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:18:10,947 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i that has 157 procedures, 2174 locations, 1 initial locations, 79 loop locations, and 3 error locations. [2024-12-02 10:18:11,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:18:11,048 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;@60c19f4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:18:11,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 10:18:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 1924 states, 1318 states have (on average 1.3095599393019728) internal successors, (1726), 1334 states have internal predecessors, (1726), 501 states have call successors, (501), 103 states have call predecessors, (501), 102 states have return successors, (494), 491 states have call predecessors, (494), 494 states have call successors, (494) [2024-12-02 10:18:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 10:18:11,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:11,074 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:11,074 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 10:18:11,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:11,078 INFO L85 PathProgramCache]: Analyzing trace with hash 846856540, now seen corresponding path program 1 times [2024-12-02 10:18:11,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:18:11,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226119504] [2024-12-02 10:18:11,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:11,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:18:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:18:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 10:18:30,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:18:30,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226119504] [2024-12-02 10:18:30,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226119504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:18:30,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:18:30,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:18:30,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939930646] [2024-12-02 10:18:30,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:18:30,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:18:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:18:30,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:18:30,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:18:30,135 INFO L87 Difference]: Start difference. First operand has 1924 states, 1318 states have (on average 1.3095599393019728) internal successors, (1726), 1334 states have internal predecessors, (1726), 501 states have call successors, (501), 103 states have call predecessors, (501), 102 states have return successors, (494), 491 states have call predecessors, (494), 494 states have call successors, (494) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 10:18:34,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:18:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:18:35,303 INFO L93 Difference]: Finished difference Result 5485 states and 8017 transitions. [2024-12-02 10:18:35,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:18:35,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 241 [2024-12-02 10:18:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:18:35,342 INFO L225 Difference]: With dead ends: 5485 [2024-12-02 10:18:35,342 INFO L226 Difference]: Without dead ends: 3593 [2024-12-02 10:18:35,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:18:35,363 INFO L435 NwaCegarLoop]: 2722 mSDtfsCounter, 2523 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:18:35,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 5245 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:18:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2024-12-02 10:18:35,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 3589. [2024-12-02 10:18:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 2482 states have (on average 1.3082191780821917) internal successors, (3247), 2512 states have internal predecessors, (3247), 909 states have call successors, (909), 196 states have call predecessors, (909), 195 states have return successors, (905), 899 states have call predecessors, (905), 905 states have call successors, (905) [2024-12-02 10:18:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5061 transitions. [2024-12-02 10:18:35,642 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5061 transitions. Word has length 241 [2024-12-02 10:18:35,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:18:35,643 INFO L471 AbstractCegarLoop]: Abstraction has 3589 states and 5061 transitions. [2024-12-02 10:18:35,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 10:18:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5061 transitions. [2024-12-02 10:18:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 10:18:35,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:35,652 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:35,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:18:35,652 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 10:18:35,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:35,653 INFO L85 PathProgramCache]: Analyzing trace with hash 495216677, now seen corresponding path program 1 times [2024-12-02 10:18:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:18:35,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875306965] [2024-12-02 10:18:35,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:18:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:18:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-12-02 10:18:53,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:18:53,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875306965] [2024-12-02 10:18:53,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875306965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:18:53,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:18:53,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:18:53,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784161518] [2024-12-02 10:18:53,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:18:53,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:18:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:18:53,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:18:53,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:18:53,963 INFO L87 Difference]: Start difference. First operand 3589 states and 5061 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 10:18:58,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:18:58,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:18:58,704 INFO L93 Difference]: Finished difference Result 6898 states and 9704 transitions. [2024-12-02 10:18:58,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:18:58,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2024-12-02 10:18:58,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:18:58,730 INFO L225 Difference]: With dead ends: 6898 [2024-12-02 10:18:58,730 INFO L226 Difference]: Without dead ends: 3352 [2024-12-02 10:18:58,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:18:58,749 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2428 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 2599 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:18:58,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 2599 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 10:18:58,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2024-12-02 10:18:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2024-12-02 10:18:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 2331 states have (on average 1.3054483054483055) internal successors, (3043), 2343 states have internal predecessors, (3043), 831 states have call successors, (831), 188 states have call predecessors, (831), 187 states have return successors, (827), 827 states have call predecessors, (827), 827 states have call successors, (827) [2024-12-02 10:18:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4701 transitions. [2024-12-02 10:18:59,001 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4701 transitions. Word has length 257 [2024-12-02 10:18:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:18:59,001 INFO L471 AbstractCegarLoop]: Abstraction has 3352 states and 4701 transitions. [2024-12-02 10:18:59,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 10:18:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4701 transitions. [2024-12-02 10:18:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 10:18:59,008 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:59,009 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:18:59,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:18:59,009 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 10:18:59,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:59,010 INFO L85 PathProgramCache]: Analyzing trace with hash -88704110, now seen corresponding path program 1 times [2024-12-02 10:18:59,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:18:59,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30859172] [2024-12-02 10:18:59,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:59,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:19:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:19:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 10:19:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:19:17,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30859172] [2024-12-02 10:19:17,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30859172] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:19:17,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:19:17,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:19:17,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370343694] [2024-12-02 10:19:17,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:19:17,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:19:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:19:17,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:19:17,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:19:17,803 INFO L87 Difference]: Start difference. First operand 3352 states and 4701 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 10:19:21,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:19:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:19:22,912 INFO L93 Difference]: Finished difference Result 8233 states and 11544 transitions. [2024-12-02 10:19:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:19:22,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 267 [2024-12-02 10:19:22,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:19:22,951 INFO L225 Difference]: With dead ends: 8233 [2024-12-02 10:19:22,952 INFO L226 Difference]: Without dead ends: 4945 [2024-12-02 10:19:22,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:19:22,972 INFO L435 NwaCegarLoop]: 2521 mSDtfsCounter, 2294 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 4994 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:19:22,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 4994 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:19:22,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2024-12-02 10:19:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4921. [2024-12-02 10:19:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4921 states, 3404 states have (on average 1.301997649823737) internal successors, (4432), 3425 states have internal predecessors, (4432), 1230 states have call successors, (1230), 285 states have call predecessors, (1230), 284 states have return successors, (1226), 1221 states have call predecessors, (1226), 1226 states have call successors, (1226) [2024-12-02 10:19:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 6888 transitions. [2024-12-02 10:19:23,296 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 6888 transitions. Word has length 267 [2024-12-02 10:19:23,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:19:23,297 INFO L471 AbstractCegarLoop]: Abstraction has 4921 states and 6888 transitions. [2024-12-02 10:19:23,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-02 10:19:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 6888 transitions. [2024-12-02 10:19:23,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-12-02 10:19:23,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:19:23,308 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:19:23,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:19:23,308 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:19:23,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:19:23,309 INFO L85 PathProgramCache]: Analyzing trace with hash 740857140, now seen corresponding path program 1 times [2024-12-02 10:19:23,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:19:23,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818657186] [2024-12-02 10:19:23,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:19:23,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:19:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:19:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1805 trivial. 0 not checked. [2024-12-02 10:19:40,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:19:40,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818657186] [2024-12-02 10:19:40,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818657186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:19:40,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:19:40,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:19:40,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230257634] [2024-12-02 10:19:40,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:19:40,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:19:40,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:19:40,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:19:40,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:19:40,977 INFO L87 Difference]: Start difference. First operand 4921 states and 6888 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (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 10:19:45,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:19:46,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:19:46,579 INFO L93 Difference]: Finished difference Result 10269 states and 14184 transitions. [2024-12-02 10:19:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:19:46,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (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 326 [2024-12-02 10:19:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:19:46,607 INFO L225 Difference]: With dead ends: 10269 [2024-12-02 10:19:46,608 INFO L226 Difference]: Without dead ends: 5412 [2024-12-02 10:19:46,623 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 10:19:46,624 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 1006 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 4929 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:19:46,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 4929 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 10:19:46,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2024-12-02 10:19:46,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 5386. [2024-12-02 10:19:46,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 3707 states have (on average 1.2751551119503641) internal successors, (4727), 3739 states have internal predecessors, (4727), 1298 states have call successors, (1298), 379 states have call predecessors, (1298), 378 states have return successors, (1294), 1277 states have call predecessors, (1294), 1294 states have call successors, (1294) [2024-12-02 10:19:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 7319 transitions. [2024-12-02 10:19:46,817 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 7319 transitions. Word has length 326 [2024-12-02 10:19:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:19:46,818 INFO L471 AbstractCegarLoop]: Abstraction has 5386 states and 7319 transitions. [2024-12-02 10:19:46,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (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 10:19:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 7319 transitions. [2024-12-02 10:19:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 10:19:46,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:19:46,822 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2024-12-02 10:19:46,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:19:46,822 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 10:19:46,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:19:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1303837012, now seen corresponding path program 1 times [2024-12-02 10:19:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:19:46,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915510814] [2024-12-02 10:19:46,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:19:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:20:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:20:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-12-02 10:20:03,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:20:03,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915510814] [2024-12-02 10:20:03,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915510814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:20:03,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:20:03,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:20:03,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91154622] [2024-12-02 10:20:03,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:20:03,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:20:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:20:03,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:20:03,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:20:03,959 INFO L87 Difference]: Start difference. First operand 5386 states and 7319 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 10:20:08,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:20:09,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:20:09,095 INFO L93 Difference]: Finished difference Result 14330 states and 19616 transitions. [2024-12-02 10:20:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:20:09,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 307 [2024-12-02 10:20:09,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:20:09,141 INFO L225 Difference]: With dead ends: 14330 [2024-12-02 10:20:09,141 INFO L226 Difference]: Without dead ends: 9435 [2024-12-02 10:20:09,156 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 10:20:09,157 INFO L435 NwaCegarLoop]: 4658 mSDtfsCounter, 2171 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 7116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:20:09,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 7116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:20:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-12-02 10:20:09,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9431. [2024-12-02 10:20:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9431 states, 6536 states have (on average 1.2847307221542228) internal successors, (8397), 6574 states have internal predecessors, (8397), 2253 states have call successors, (2253), 640 states have call predecessors, (2253), 639 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-12-02 10:20:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9431 states to 9431 states and 12899 transitions. [2024-12-02 10:20:09,485 INFO L78 Accepts]: Start accepts. Automaton has 9431 states and 12899 transitions. Word has length 307 [2024-12-02 10:20:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:20:09,485 INFO L471 AbstractCegarLoop]: Abstraction has 9431 states and 12899 transitions. [2024-12-02 10:20:09,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 10:20:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 9431 states and 12899 transitions. [2024-12-02 10:20:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 10:20:09,490 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:20:09,490 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2024-12-02 10:20:09,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:20:09,491 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 10:20:09,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:20:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash 82366382, now seen corresponding path program 1 times [2024-12-02 10:20:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:20:09,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506475731] [2024-12-02 10:20:09,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:20:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:20:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:20:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-12-02 10:20:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:20:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506475731] [2024-12-02 10:20:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506475731] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:20:27,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:20:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:20:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756596345] [2024-12-02 10:20:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:20:27,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:20:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:20:27,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:20:27,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:20:27,896 INFO L87 Difference]: Start difference. First operand 9431 states and 12899 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 10:20:28,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:20:28,601 INFO L93 Difference]: Finished difference Result 9437 states and 12904 transitions. [2024-12-02 10:20:28,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:20:28,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 307 [2024-12-02 10:20:28,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:20:28,651 INFO L225 Difference]: With dead ends: 9437 [2024-12-02 10:20:28,651 INFO L226 Difference]: Without dead ends: 9435 [2024-12-02 10:20:28,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:20:28,658 INFO L435 NwaCegarLoop]: 2494 mSDtfsCounter, 2426 mSDsluCounter, 4978 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:20:28,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 7472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:20:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-12-02 10:20:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9435. [2024-12-02 10:20:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 6539 states have (on average 1.2846000917571494) internal successors, (8400), 6577 states have internal predecessors, (8400), 2253 states have call successors, (2253), 641 states have call predecessors, (2253), 640 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-12-02 10:20:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 12902 transitions. [2024-12-02 10:20:29,160 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 12902 transitions. Word has length 307 [2024-12-02 10:20:29,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:20:29,161 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 12902 transitions. [2024-12-02 10:20:29,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 10:20:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 12902 transitions. [2024-12-02 10:20:29,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 10:20:29,165 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:20:29,166 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2024-12-02 10:20:29,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:20:29,166 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 10:20:29,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:20:29,166 INFO L85 PathProgramCache]: Analyzing trace with hash 559609155, now seen corresponding path program 1 times [2024-12-02 10:20:29,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:20:29,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132995085] [2024-12-02 10:20:29,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:20:29,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:20:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:20:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-12-02 10:20:47,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:20:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132995085] [2024-12-02 10:20:47,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132995085] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:20:47,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:20:47,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:20:47,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114469163] [2024-12-02 10:20:47,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:20:47,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:20:47,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:20:47,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:20:47,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:20:47,134 INFO L87 Difference]: Start difference. First operand 9435 states and 12902 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:20:47,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:20:47,707 INFO L93 Difference]: Finished difference Result 9441 states and 12907 transitions. [2024-12-02 10:20:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:20:47,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 312 [2024-12-02 10:20:47,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:20:47,740 INFO L225 Difference]: With dead ends: 9441 [2024-12-02 10:20:47,740 INFO L226 Difference]: Without dead ends: 9439 [2024-12-02 10:20:47,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:20:47,746 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2422 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:20:47,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:20:47,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2024-12-02 10:20:48,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9439. [2024-12-02 10:20:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 6542 states have (on average 1.2844695811678386) internal successors, (8403), 6580 states have internal predecessors, (8403), 2253 states have call successors, (2253), 642 states have call predecessors, (2253), 641 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-12-02 10:20:48,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 12905 transitions. [2024-12-02 10:20:48,073 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 12905 transitions. Word has length 312 [2024-12-02 10:20:48,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:20:48,074 INFO L471 AbstractCegarLoop]: Abstraction has 9439 states and 12905 transitions. [2024-12-02 10:20:48,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:20:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 12905 transitions. [2024-12-02 10:20:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 10:20:48,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:20:48,079 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:20:48,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:20:48,079 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 10:20:48,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:20:48,079 INFO L85 PathProgramCache]: Analyzing trace with hash 500636814, now seen corresponding path program 1 times [2024-12-02 10:20:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:20:48,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199638086] [2024-12-02 10:20:48,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:20:48,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:06,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-12-02 10:21:06,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:06,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199638086] [2024-12-02 10:21:06,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199638086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:06,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:06,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:21:06,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873555387] [2024-12-02 10:21:06,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:06,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:21:06,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:06,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:21:06,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:06,311 INFO L87 Difference]: Start difference. First operand 9439 states and 12905 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:21:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:06,920 INFO L93 Difference]: Finished difference Result 9445 states and 12910 transitions. [2024-12-02 10:21:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:21:06,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 317 [2024-12-02 10:21:06,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:06,948 INFO L225 Difference]: With dead ends: 9445 [2024-12-02 10:21:06,948 INFO L226 Difference]: Without dead ends: 9443 [2024-12-02 10:21:06,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:21:06,951 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2421 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:06,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:06,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9443 states. [2024-12-02 10:21:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9443 to 9443. [2024-12-02 10:21:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9443 states, 6545 states have (on average 1.284339190221543) internal successors, (8406), 6583 states have internal predecessors, (8406), 2253 states have call successors, (2253), 643 states have call predecessors, (2253), 642 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-12-02 10:21:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9443 states to 9443 states and 12908 transitions. [2024-12-02 10:21:07,287 INFO L78 Accepts]: Start accepts. Automaton has 9443 states and 12908 transitions. Word has length 317 [2024-12-02 10:21:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:07,287 INFO L471 AbstractCegarLoop]: Abstraction has 9443 states and 12908 transitions. [2024-12-02 10:21:07,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:21:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9443 states and 12908 transitions. [2024-12-02 10:21:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-12-02 10:21:07,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:07,291 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:21:07,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:21:07,291 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 10:21:07,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash -160068693, now seen corresponding path program 1 times [2024-12-02 10:21:07,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:07,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983395365] [2024-12-02 10:21:07,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1808 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2024-12-02 10:21:24,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:24,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983395365] [2024-12-02 10:21:24,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983395365] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:24,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:24,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:21:24,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153505818] [2024-12-02 10:21:24,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:24,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:21:24,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:24,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:21:24,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:21:24,701 INFO L87 Difference]: Start difference. First operand 9443 states and 12908 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 10:21:28,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:21:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:29,997 INFO L93 Difference]: Finished difference Result 22475 states and 30833 transitions. [2024-12-02 10:21:29,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:21:29,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 331 [2024-12-02 10:21:29,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:30,048 INFO L225 Difference]: With dead ends: 22475 [2024-12-02 10:21:30,048 INFO L226 Difference]: Without dead ends: 13523 [2024-12-02 10:21:30,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:21:30,077 INFO L435 NwaCegarLoop]: 4558 mSDtfsCounter, 2200 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 7018 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:30,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 7018 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:21:30,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13523 states. [2024-12-02 10:21:30,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13523 to 13492. [2024-12-02 10:21:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 9378 states have (on average 1.2881211345702708) internal successors, (12080), 9422 states have internal predecessors, (12080), 3208 states have call successors, (3208), 904 states have call predecessors, (3208), 903 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:21:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 18492 transitions. [2024-12-02 10:21:30,645 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 18492 transitions. Word has length 331 [2024-12-02 10:21:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:30,646 INFO L471 AbstractCegarLoop]: Abstraction has 13492 states and 18492 transitions. [2024-12-02 10:21:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 10:21:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 18492 transitions. [2024-12-02 10:21:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 10:21:30,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:30,649 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:21:30,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:21:30,649 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 10:21:30,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:30,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1678515229, now seen corresponding path program 1 times [2024-12-02 10:21:30,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:30,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616372775] [2024-12-02 10:21:30,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:30,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2024-12-02 10:21:48,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:48,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616372775] [2024-12-02 10:21:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616372775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:48,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:21:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091221776] [2024-12-02 10:21:48,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:48,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:21:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:48,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:21:48,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:48,977 INFO L87 Difference]: Start difference. First operand 13492 states and 18492 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:21:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:21:49,695 INFO L93 Difference]: Finished difference Result 13498 states and 18497 transitions. [2024-12-02 10:21:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:21:49,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 322 [2024-12-02 10:21:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:21:49,742 INFO L225 Difference]: With dead ends: 13498 [2024-12-02 10:21:49,742 INFO L226 Difference]: Without dead ends: 13496 [2024-12-02 10:21:49,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:21:49,750 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2420 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:21:49,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:21:49,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2024-12-02 10:21:50,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 13496. [2024-12-02 10:21:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13496 states, 9381 states have (on average 1.2880289947766763) internal successors, (12083), 9425 states have internal predecessors, (12083), 3208 states have call successors, (3208), 905 states have call predecessors, (3208), 904 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:21:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13496 states to 13496 states and 18495 transitions. [2024-12-02 10:21:50,371 INFO L78 Accepts]: Start accepts. Automaton has 13496 states and 18495 transitions. Word has length 322 [2024-12-02 10:21:50,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:21:50,372 INFO L471 AbstractCegarLoop]: Abstraction has 13496 states and 18495 transitions. [2024-12-02 10:21:50,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:21:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 13496 states and 18495 transitions. [2024-12-02 10:21:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 10:21:50,375 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:21:50,376 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 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] [2024-12-02 10:21:50,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:21:50,376 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 10:21:50,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:21:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1260093074, now seen corresponding path program 1 times [2024-12-02 10:21:50,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:21:50,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021019702] [2024-12-02 10:21:50,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:21:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-12-02 10:22:08,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:08,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021019702] [2024-12-02 10:22:08,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021019702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:08,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:08,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:22:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467377528] [2024-12-02 10:22:08,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:08,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:22:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:08,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:22:08,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:08,256 INFO L87 Difference]: Start difference. First operand 13496 states and 18495 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:22:08,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:08,993 INFO L93 Difference]: Finished difference Result 13502 states and 18500 transitions. [2024-12-02 10:22:08,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:22:08,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 327 [2024-12-02 10:22:08,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:09,037 INFO L225 Difference]: With dead ends: 13502 [2024-12-02 10:22:09,037 INFO L226 Difference]: Without dead ends: 13500 [2024-12-02 10:22:09,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:22:09,045 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2419 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:09,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:22:09,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13500 states. [2024-12-02 10:22:09,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13500 to 13500. [2024-12-02 10:22:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13500 states, 9384 states have (on average 1.287936913895993) internal successors, (12086), 9428 states have internal predecessors, (12086), 3208 states have call successors, (3208), 906 states have call predecessors, (3208), 905 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:22:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13500 states to 13500 states and 18498 transitions. [2024-12-02 10:22:09,629 INFO L78 Accepts]: Start accepts. Automaton has 13500 states and 18498 transitions. Word has length 327 [2024-12-02 10:22:09,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:09,630 INFO L471 AbstractCegarLoop]: Abstraction has 13500 states and 18498 transitions. [2024-12-02 10:22:09,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 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 10:22:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13500 states and 18498 transitions. [2024-12-02 10:22:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 10:22:09,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:09,633 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 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] [2024-12-02 10:22:09,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:22:09,633 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 10:22:09,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:09,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2011383165, now seen corresponding path program 1 times [2024-12-02 10:22:09,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:09,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767843576] [2024-12-02 10:22:09,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:09,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2024-12-02 10:22:27,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:27,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767843576] [2024-12-02 10:22:27,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767843576] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:27,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:27,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:22:27,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845113120] [2024-12-02 10:22:27,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:27,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:22:27,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:27,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:22:27,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:27,749 INFO L87 Difference]: Start difference. First operand 13500 states and 18498 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 10:22:28,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:28,507 INFO L93 Difference]: Finished difference Result 13506 states and 18503 transitions. [2024-12-02 10:22:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:22:28,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 332 [2024-12-02 10:22:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:28,547 INFO L225 Difference]: With dead ends: 13506 [2024-12-02 10:22:28,547 INFO L226 Difference]: Without dead ends: 13504 [2024-12-02 10:22:28,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:22:28,554 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2418 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:28,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:22:28,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13504 states. [2024-12-02 10:22:29,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 13504. [2024-12-02 10:22:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13504 states, 9387 states have (on average 1.2878448918717376) internal successors, (12089), 9431 states have internal predecessors, (12089), 3208 states have call successors, (3208), 907 states have call predecessors, (3208), 906 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:22:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13504 states to 13504 states and 18501 transitions. [2024-12-02 10:22:29,189 INFO L78 Accepts]: Start accepts. Automaton has 13504 states and 18501 transitions. Word has length 332 [2024-12-02 10:22:29,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:29,189 INFO L471 AbstractCegarLoop]: Abstraction has 13504 states and 18501 transitions. [2024-12-02 10:22:29,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 10:22:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 13504 states and 18501 transitions. [2024-12-02 10:22:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-12-02 10:22:29,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:29,192 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 7, 6, 6, 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] [2024-12-02 10:22:29,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:22:29,192 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 10:22:29,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:29,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1611857486, now seen corresponding path program 1 times [2024-12-02 10:22:29,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:29,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640788921] [2024-12-02 10:22:29,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:22:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:22:47,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2024-12-02 10:22:47,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:22:47,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640788921] [2024-12-02 10:22:47,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640788921] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:22:47,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:22:47,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:22:47,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032182066] [2024-12-02 10:22:47,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:22:47,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:22:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:22:47,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:22:47,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:22:47,254 INFO L87 Difference]: Start difference. First operand 13504 states and 18501 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 10:22:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:22:48,190 INFO L93 Difference]: Finished difference Result 13608 states and 18597 transitions. [2024-12-02 10:22:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:22:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 337 [2024-12-02 10:22:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:22:48,247 INFO L225 Difference]: With dead ends: 13608 [2024-12-02 10:22:48,248 INFO L226 Difference]: Without dead ends: 13606 [2024-12-02 10:22:48,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:22:48,258 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 2396 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 7499 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:22:48,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 7499 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:22:48,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13606 states. [2024-12-02 10:22:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13606 to 13604. [2024-12-02 10:22:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13604 states, 9462 states have (on average 1.2874656520820122) internal successors, (12182), 9506 states have internal predecessors, (12182), 3208 states have call successors, (3208), 932 states have call predecessors, (3208), 931 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:22:48,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13604 states to 13604 states and 18594 transitions. [2024-12-02 10:22:48,943 INFO L78 Accepts]: Start accepts. Automaton has 13604 states and 18594 transitions. Word has length 337 [2024-12-02 10:22:48,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:22:48,943 INFO L471 AbstractCegarLoop]: Abstraction has 13604 states and 18594 transitions. [2024-12-02 10:22:48,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 10:22:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 13604 states and 18594 transitions. [2024-12-02 10:22:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-12-02 10:22:48,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:22:48,946 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 8, 7, 7, 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] [2024-12-02 10:22:48,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:22:48,946 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 10:22:48,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:22:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1055688413, now seen corresponding path program 1 times [2024-12-02 10:22:48,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:22:48,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240930672] [2024-12-02 10:22:48,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:22:48,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:23:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2024-12-02 10:23:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:23:07,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240930672] [2024-12-02 10:23:07,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240930672] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:23:07,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:23:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:23:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939644029] [2024-12-02 10:23:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:23:07,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:23:07,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:23:07,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:23:07,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:23:07,004 INFO L87 Difference]: Start difference. First operand 13604 states and 18594 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 10:23:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:08,080 INFO L93 Difference]: Finished difference Result 13664 states and 18639 transitions. [2024-12-02 10:23:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:23:08,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 342 [2024-12-02 10:23:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:08,123 INFO L225 Difference]: With dead ends: 13664 [2024-12-02 10:23:08,123 INFO L226 Difference]: Without dead ends: 13660 [2024-12-02 10:23:08,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:23:08,126 INFO L435 NwaCegarLoop]: 2502 mSDtfsCounter, 2403 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:08,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 7506 Invalid, 33 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:23:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2024-12-02 10:23:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 13658. [2024-12-02 10:23:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13658 states, 9503 states have (on average 1.286120172577081) internal successors, (12222), 9546 states have internal predecessors, (12222), 3208 states have call successors, (3208), 946 states have call predecessors, (3208), 944 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-12-02 10:23:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13658 states to 13658 states and 18634 transitions. [2024-12-02 10:23:08,724 INFO L78 Accepts]: Start accepts. Automaton has 13658 states and 18634 transitions. Word has length 342 [2024-12-02 10:23:08,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:08,725 INFO L471 AbstractCegarLoop]: Abstraction has 13658 states and 18634 transitions. [2024-12-02 10:23:08,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-12-02 10:23:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 13658 states and 18634 transitions. [2024-12-02 10:23:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-12-02 10:23:08,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:08,728 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 9, 8, 8, 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] [2024-12-02 10:23:08,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:23:08,728 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:23:08,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:08,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1696296146, now seen corresponding path program 1 times [2024-12-02 10:23:08,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:23:08,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664443261] [2024-12-02 10:23:08,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:23:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked. [2024-12-02 10:23:26,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:23:26,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664443261] [2024-12-02 10:23:26,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664443261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:23:26,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:23:26,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:23:26,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013753606] [2024-12-02 10:23:26,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:23:26,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:23:26,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:23:26,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:23:26,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:23:26,787 INFO L87 Difference]: Start difference. First operand 13658 states and 18634 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 10:23:27,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:27,639 INFO L93 Difference]: Finished difference Result 13658 states and 18634 transitions. [2024-12-02 10:23:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:23:27,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 347 [2024-12-02 10:23:27,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:27,673 INFO L225 Difference]: With dead ends: 13658 [2024-12-02 10:23:27,673 INFO L226 Difference]: Without dead ends: 13470 [2024-12-02 10:23:27,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:23:27,680 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 2412 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:27,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 7472 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:23:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13470 states. [2024-12-02 10:23:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13470 to 13470. [2024-12-02 10:23:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13470 states, 9376 states have (on average 1.287862627986348) internal successors, (12075), 9403 states have internal predecessors, (12075), 3168 states have call successors, (3168), 924 states have call predecessors, (3168), 924 states have return successors, (3168), 3160 states have call predecessors, (3168), 3168 states have call successors, (3168) [2024-12-02 10:23:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13470 states to 13470 states and 18411 transitions. [2024-12-02 10:23:28,334 INFO L78 Accepts]: Start accepts. Automaton has 13470 states and 18411 transitions. Word has length 347 [2024-12-02 10:23:28,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:28,334 INFO L471 AbstractCegarLoop]: Abstraction has 13470 states and 18411 transitions. [2024-12-02 10:23:28,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 10:23:28,335 INFO L276 IsEmpty]: Start isEmpty. Operand 13470 states and 18411 transitions. [2024-12-02 10:23:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-12-02 10:23:28,338 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:28,338 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 5, 5, 5, 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] [2024-12-02 10:23:28,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 10:23:28,338 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 10:23:28,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:28,338 INFO L85 PathProgramCache]: Analyzing trace with hash -224188732, now seen corresponding path program 1 times [2024-12-02 10:23:28,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:23:28,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175615535] [2024-12-02 10:23:28,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:28,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:23:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:23:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-12-02 10:23:45,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:23:45,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175615535] [2024-12-02 10:23:45,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175615535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:23:45,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:23:45,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:23:45,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816356392] [2024-12-02 10:23:45,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:23:45,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:23:45,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:23:45,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:23:45,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:23:45,862 INFO L87 Difference]: Start difference. First operand 13470 states and 18411 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 10:23:49,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:23:51,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:23:51,971 INFO L93 Difference]: Finished difference Result 37153 states and 50913 transitions. [2024-12-02 10:23:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:23:51,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 370 [2024-12-02 10:23:51,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:23:52,040 INFO L225 Difference]: With dead ends: 37153 [2024-12-02 10:23:52,040 INFO L226 Difference]: Without dead ends: 23688 [2024-12-02 10:23:52,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:23:52,084 INFO L435 NwaCegarLoop]: 2507 mSDtfsCounter, 2244 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:23:52,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 4907 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 10:23:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23688 states. [2024-12-02 10:23:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23688 to 23676. [2024-12-02 10:23:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23676 states, 16618 states have (on average 1.2892646527861356) internal successors, (21425), 16679 states have internal predecessors, (21425), 5471 states have call successors, (5471), 1585 states have call predecessors, (5471), 1585 states have return successors, (5471), 5447 states have call predecessors, (5471), 5471 states have call successors, (5471) [2024-12-02 10:23:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23676 states to 23676 states and 32367 transitions. [2024-12-02 10:23:53,417 INFO L78 Accepts]: Start accepts. Automaton has 23676 states and 32367 transitions. Word has length 370 [2024-12-02 10:23:53,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:23:53,418 INFO L471 AbstractCegarLoop]: Abstraction has 23676 states and 32367 transitions. [2024-12-02 10:23:53,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 10:23:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 23676 states and 32367 transitions. [2024-12-02 10:23:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-12-02 10:23:53,422 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:23:53,422 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:23:53,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 10:23:53,423 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 10:23:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:23:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash -729175047, now seen corresponding path program 1 times [2024-12-02 10:23:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:23:53,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276539211] [2024-12-02 10:23:53,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:23:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-12-02 10:24:11,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:24:11,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276539211] [2024-12-02 10:24:11,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276539211] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:24:11,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:24:11,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:24:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674570606] [2024-12-02 10:24:11,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:24:11,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:24:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:24:11,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:24:11,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:24:11,974 INFO L87 Difference]: Start difference. First operand 23676 states and 32367 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:24:16,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:18,275 INFO L93 Difference]: Finished difference Result 54649 states and 74809 transitions. [2024-12-02 10:24:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:24:18,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 393 [2024-12-02 10:24:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:24:18,380 INFO L225 Difference]: With dead ends: 54649 [2024-12-02 10:24:18,381 INFO L226 Difference]: Without dead ends: 31091 [2024-12-02 10:24:18,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:24:18,453 INFO L435 NwaCegarLoop]: 4613 mSDtfsCounter, 2172 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 7022 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:24:18,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 7022 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:24:18,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31091 states. [2024-12-02 10:24:19,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31091 to 31087. [2024-12-02 10:24:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31087 states, 21847 states have (on average 1.2907493019636564) internal successors, (28199), 21920 states have internal predecessors, (28199), 7168 states have call successors, (7168), 2070 states have call predecessors, (7168), 2070 states have return successors, (7168), 7144 states have call predecessors, (7168), 7168 states have call successors, (7168) [2024-12-02 10:24:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31087 states to 31087 states and 42535 transitions. [2024-12-02 10:24:20,246 INFO L78 Accepts]: Start accepts. Automaton has 31087 states and 42535 transitions. Word has length 393 [2024-12-02 10:24:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:24:20,246 INFO L471 AbstractCegarLoop]: Abstraction has 31087 states and 42535 transitions. [2024-12-02 10:24:20,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:24:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 31087 states and 42535 transitions. [2024-12-02 10:24:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-12-02 10:24:20,251 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:24:20,252 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:24:20,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 10:24:20,252 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 10:24:20,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash -142898825, now seen corresponding path program 1 times [2024-12-02 10:24:20,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:24:20,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779050906] [2024-12-02 10:24:20,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:24:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:24:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-12-02 10:24:38,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:24:38,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779050906] [2024-12-02 10:24:38,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779050906] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:24:38,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:24:38,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:24:38,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221393188] [2024-12-02 10:24:38,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:24:38,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:24:38,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:24:38,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:24:38,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:24:38,579 INFO L87 Difference]: Start difference. First operand 31087 states and 42535 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:24:42,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:24:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:24:45,198 INFO L93 Difference]: Finished difference Result 69419 states and 95046 transitions. [2024-12-02 10:24:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:24:45,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 393 [2024-12-02 10:24:45,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:24:45,318 INFO L225 Difference]: With dead ends: 69419 [2024-12-02 10:24:45,318 INFO L226 Difference]: Without dead ends: 38367 [2024-12-02 10:24:45,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:24:45,401 INFO L435 NwaCegarLoop]: 4536 mSDtfsCounter, 2165 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 6949 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:24:45,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 6949 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:24:45,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38367 states. [2024-12-02 10:24:47,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38367 to 31087. [2024-12-02 10:24:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31087 states, 21847 states have (on average 1.2907035290886621) internal successors, (28198), 21920 states have internal predecessors, (28198), 7168 states have call successors, (7168), 2070 states have call predecessors, (7168), 2070 states have return successors, (7168), 7144 states have call predecessors, (7168), 7168 states have call successors, (7168) [2024-12-02 10:24:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31087 states to 31087 states and 42534 transitions. [2024-12-02 10:24:47,153 INFO L78 Accepts]: Start accepts. Automaton has 31087 states and 42534 transitions. Word has length 393 [2024-12-02 10:24:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:24:47,154 INFO L471 AbstractCegarLoop]: Abstraction has 31087 states and 42534 transitions. [2024-12-02 10:24:47,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:24:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 31087 states and 42534 transitions. [2024-12-02 10:24:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-12-02 10:24:47,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:24:47,163 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-12-02 10:24:47,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 10:24:47,163 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 10:24:47,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:24:47,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1141172073, now seen corresponding path program 1 times [2024-12-02 10:24:47,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:24:47,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816890269] [2024-12-02 10:24:47,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:24:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:25:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2144 trivial. 0 not checked. [2024-12-02 10:25:06,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:25:06,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816890269] [2024-12-02 10:25:06,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816890269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:25:06,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:25:06,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:25:06,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090709403] [2024-12-02 10:25:06,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:25:06,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:25:06,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:25:06,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:25:06,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:25:06,056 INFO L87 Difference]: Start difference. First operand 31087 states and 42534 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:25:10,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:25:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:12,732 INFO L93 Difference]: Finished difference Result 69459 states and 95123 transitions. [2024-12-02 10:25:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:25:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 422 [2024-12-02 10:25:12,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:12,863 INFO L225 Difference]: With dead ends: 69459 [2024-12-02 10:25:12,863 INFO L226 Difference]: Without dead ends: 38490 [2024-12-02 10:25:12,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:25:12,954 INFO L435 NwaCegarLoop]: 3197 mSDtfsCounter, 2171 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 5606 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:12,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 5606 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:25:12,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38490 states. [2024-12-02 10:25:14,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38490 to 38486. [2024-12-02 10:25:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38486 states, 27064 states have (on average 1.2917528820573456) internal successors, (34960), 27149 states have internal predecessors, (34960), 8865 states have call successors, (8865), 2555 states have call predecessors, (8865), 2555 states have return successors, (8865), 8841 states have call predecessors, (8865), 8865 states have call successors, (8865) [2024-12-02 10:25:15,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38486 states to 38486 states and 52690 transitions. [2024-12-02 10:25:15,321 INFO L78 Accepts]: Start accepts. Automaton has 38486 states and 52690 transitions. Word has length 422 [2024-12-02 10:25:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:15,321 INFO L471 AbstractCegarLoop]: Abstraction has 38486 states and 52690 transitions. [2024-12-02 10:25:15,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:25:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 38486 states and 52690 transitions. [2024-12-02 10:25:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-12-02 10:25:15,330 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:15,330 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 10:25:15,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 10:25:15,330 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 10:25:15,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -220126846, now seen corresponding path program 1 times [2024-12-02 10:25:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:25:15,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581444875] [2024-12-02 10:25:15,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:25:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:25:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2246 trivial. 0 not checked. [2024-12-02 10:25:33,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:25:33,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581444875] [2024-12-02 10:25:33,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581444875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:25:33,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:25:33,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:25:33,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506810164] [2024-12-02 10:25:33,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:25:33,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:25:33,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:25:33,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:25:33,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:25:33,321 INFO L87 Difference]: Start difference. First operand 38486 states and 52690 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:25:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:25:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:25:41,115 INFO L93 Difference]: Finished difference Result 85008 states and 115826 transitions. [2024-12-02 10:25:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:25:41,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 430 [2024-12-02 10:25:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:25:41,291 INFO L225 Difference]: With dead ends: 85008 [2024-12-02 10:25:41,291 INFO L226 Difference]: Without dead ends: 46640 [2024-12-02 10:25:41,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:25:41,395 INFO L435 NwaCegarLoop]: 2703 mSDtfsCounter, 979 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 5034 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:25:41,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 5034 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 10:25:41,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46640 states. [2024-12-02 10:25:44,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46640 to 46628. [2024-12-02 10:25:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46628 states, 32843 states have (on average 1.2819169990561154) internal successors, (42102), 32944 states have internal predecessors, (42102), 10494 states have call successors, (10494), 3289 states have call predecessors, (10494), 3289 states have return successors, (10494), 10454 states have call predecessors, (10494), 10494 states have call successors, (10494) [2024-12-02 10:25:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46628 states to 46628 states and 63090 transitions. [2024-12-02 10:25:44,294 INFO L78 Accepts]: Start accepts. Automaton has 46628 states and 63090 transitions. Word has length 430 [2024-12-02 10:25:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:25:44,294 INFO L471 AbstractCegarLoop]: Abstraction has 46628 states and 63090 transitions. [2024-12-02 10:25:44,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:25:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 46628 states and 63090 transitions. [2024-12-02 10:25:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-12-02 10:25:44,306 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:25:44,306 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 19, 19, 19, 19, 19, 19, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2024-12-02 10:25:44,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 10:25:44,306 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 10:25:44,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:25:44,306 INFO L85 PathProgramCache]: Analyzing trace with hash 939816493, now seen corresponding path program 1 times [2024-12-02 10:25:44,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:25:44,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632702527] [2024-12-02 10:25:44,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:25:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:26:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:26:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2024-12-02 10:26:03,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:26:03,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632702527] [2024-12-02 10:26:03,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632702527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:26:03,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:26:03,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:26:03,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38012908] [2024-12-02 10:26:03,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:26:03,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:26:03,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:26:03,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:26:03,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:26:03,577 INFO L87 Difference]: Start difference. First operand 46628 states and 63090 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 10:26:07,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:26:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:26:11,650 INFO L93 Difference]: Finished difference Result 114039 states and 154444 transitions. [2024-12-02 10:26:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:26:11,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 436 [2024-12-02 10:26:11,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:26:11,864 INFO L225 Difference]: With dead ends: 114039 [2024-12-02 10:26:11,865 INFO L226 Difference]: Without dead ends: 67529 [2024-12-02 10:26:11,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:26:11,982 INFO L435 NwaCegarLoop]: 4684 mSDtfsCounter, 2250 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:26:11,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2250 Valid, 7102 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 10:26:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67529 states. [2024-12-02 10:26:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67529 to 67513. [2024-12-02 10:26:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67513 states, 47462 states have (on average 1.2802452488306435) internal successors, (60763), 47619 states have internal predecessors, (60763), 15300 states have call successors, (15300), 4749 states have call predecessors, (15300), 4749 states have return successors, (15300), 15234 states have call predecessors, (15300), 15300 states have call successors, (15300) [2024-12-02 10:26:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67513 states to 67513 states and 91363 transitions. [2024-12-02 10:26:16,366 INFO L78 Accepts]: Start accepts. Automaton has 67513 states and 91363 transitions. Word has length 436 [2024-12-02 10:26:16,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:26:16,367 INFO L471 AbstractCegarLoop]: Abstraction has 67513 states and 91363 transitions. [2024-12-02 10:26:16,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 10:26:16,367 INFO L276 IsEmpty]: Start isEmpty. Operand 67513 states and 91363 transitions. [2024-12-02 10:26:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-12-02 10:26:16,380 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:26:16,381 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:26:16,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 10:26:16,381 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 10:26:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:26:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash 530991453, now seen corresponding path program 1 times [2024-12-02 10:26:16,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:26:16,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474412525] [2024-12-02 10:26:16,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:26:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:26:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:26:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2509 trivial. 0 not checked. [2024-12-02 10:26:35,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:26:35,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474412525] [2024-12-02 10:26:35,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474412525] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:26:35,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:26:35,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:26:35,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299932700] [2024-12-02 10:26:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:26:35,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:26:35,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:26:35,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:26:35,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:26:35,007 INFO L87 Difference]: Start difference. First operand 67513 states and 91363 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 10:26:39,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:26:44,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:26:44,421 INFO L93 Difference]: Finished difference Result 155569 states and 210600 transitions. [2024-12-02 10:26:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:26:44,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) Word has length 471 [2024-12-02 10:26:44,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:26:44,725 INFO L225 Difference]: With dead ends: 155569 [2024-12-02 10:26:44,726 INFO L226 Difference]: Without dead ends: 88115 [2024-12-02 10:26:44,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:26:44,908 INFO L435 NwaCegarLoop]: 4684 mSDtfsCounter, 2236 mSDsluCounter, 11779 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 16463 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:26:44,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2236 Valid, 16463 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 10:26:44,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88115 states. [2024-12-02 10:26:50,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88115 to 88039. [2024-12-02 10:26:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88039 states, 61766 states have (on average 1.2796360457209468) internal successors, (79038), 61979 states have internal predecessors, (79038), 20064 states have call successors, (20064), 6178 states have call predecessors, (20064), 6207 states have return successors, (20093), 20001 states have call predecessors, (20093), 20064 states have call successors, (20093) [2024-12-02 10:26:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88039 states to 88039 states and 119195 transitions. [2024-12-02 10:26:50,586 INFO L78 Accepts]: Start accepts. Automaton has 88039 states and 119195 transitions. Word has length 471 [2024-12-02 10:26:50,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:26:50,586 INFO L471 AbstractCegarLoop]: Abstraction has 88039 states and 119195 transitions. [2024-12-02 10:26:50,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 4 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 10:26:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 88039 states and 119195 transitions. [2024-12-02 10:26:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-12-02 10:26:50,602 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:26:50,602 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:26:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 10:26:50,602 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 10:26:50,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:26:50,602 INFO L85 PathProgramCache]: Analyzing trace with hash -469450381, now seen corresponding path program 1 times [2024-12-02 10:26:50,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:26:50,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150478412] [2024-12-02 10:26:50,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:26:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:27:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:27:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2533 trivial. 0 not checked. [2024-12-02 10:27:10,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:27:10,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150478412] [2024-12-02 10:27:10,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150478412] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:27:10,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:27:10,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:27:10,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151879683] [2024-12-02 10:27:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:27:10,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:27:10,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:27:10,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:27:10,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:27:10,467 INFO L87 Difference]: Start difference. First operand 88039 states and 119195 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 10:27:14,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:27:14,586 INFO L93 Difference]: Finished difference Result 88203 states and 119357 transitions. [2024-12-02 10:27:14,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:27:14,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 457 [2024-12-02 10:27:14,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:27:15,084 INFO L225 Difference]: With dead ends: 88203 [2024-12-02 10:27:15,084 INFO L226 Difference]: Without dead ends: 88201 [2024-12-02 10:27:15,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:27:15,110 INFO L435 NwaCegarLoop]: 2447 mSDtfsCounter, 2314 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2315 SdHoareTripleChecker+Valid, 7355 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:27:15,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2315 Valid, 7355 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:27:15,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88201 states. [2024-12-02 10:27:20,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88201 to 88199. [2024-12-02 10:27:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88199 states, 61886 states have (on average 1.278285880489933) internal successors, (79108), 62099 states have internal predecessors, (79108), 20064 states have call successors, (20064), 6218 states have call predecessors, (20064), 6247 states have return successors, (20093), 20001 states have call predecessors, (20093), 20064 states have call successors, (20093) [2024-12-02 10:27:20,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88199 states to 88199 states and 119265 transitions. [2024-12-02 10:27:20,656 INFO L78 Accepts]: Start accepts. Automaton has 88199 states and 119265 transitions. Word has length 457 [2024-12-02 10:27:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:27:20,656 INFO L471 AbstractCegarLoop]: Abstraction has 88199 states and 119265 transitions. [2024-12-02 10:27:20,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 10:27:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 88199 states and 119265 transitions. [2024-12-02 10:27:20,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-12-02 10:27:20,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:27:20,675 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:27:20,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 10:27:20,675 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:27:20,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:27:20,675 INFO L85 PathProgramCache]: Analyzing trace with hash -794748172, now seen corresponding path program 1 times [2024-12-02 10:27:20,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:27:20,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66471953] [2024-12-02 10:27:20,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:27:20,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:27:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:27:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2554 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2529 trivial. 0 not checked. [2024-12-02 10:27:38,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:27:38,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66471953] [2024-12-02 10:27:38,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66471953] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:27:38,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:27:38,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:27:38,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950639972] [2024-12-02 10:27:38,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:27:38,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:27:38,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:27:38,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:27:38,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:27:38,744 INFO L87 Difference]: Start difference. First operand 88199 states and 119265 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 10:27:42,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:27:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:27:49,138 INFO L93 Difference]: Finished difference Result 198920 states and 268846 transitions. [2024-12-02 10:27:49,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:27:49,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 483 [2024-12-02 10:27:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:27:49,565 INFO L225 Difference]: With dead ends: 198920 [2024-12-02 10:27:49,565 INFO L226 Difference]: Without dead ends: 110839 [2024-12-02 10:27:49,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:27:49,821 INFO L435 NwaCegarLoop]: 4502 mSDtfsCounter, 2261 mSDsluCounter, 11390 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 15892 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:27:49,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 15892 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 10:27:49,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110839 states. [2024-12-02 10:27:56,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110839 to 110763. [2024-12-02 10:27:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110763 states, 77548 states have (on average 1.276654459173673) internal successors, (99002), 77817 states have internal predecessors, (99002), 25250 states have call successors, (25250), 7904 states have call predecessors, (25250), 7963 states have return successors, (25309), 25191 states have call predecessors, (25309), 25250 states have call successors, (25309) [2024-12-02 10:27:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110763 states to 110763 states and 149561 transitions. [2024-12-02 10:27:56,861 INFO L78 Accepts]: Start accepts. Automaton has 110763 states and 149561 transitions. Word has length 483 [2024-12-02 10:27:56,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:27:56,862 INFO L471 AbstractCegarLoop]: Abstraction has 110763 states and 149561 transitions. [2024-12-02 10:27:56,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 10:27:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 110763 states and 149561 transitions. [2024-12-02 10:27:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-12-02 10:27:56,884 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:27:56,884 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:27:56,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 10:27:56,884 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:27:56,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:27:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1691794544, now seen corresponding path program 1 times [2024-12-02 10:27:56,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:27:56,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836360340] [2024-12-02 10:27:56,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:27:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:28:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:28:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2553 trivial. 0 not checked. [2024-12-02 10:28:16,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:28:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836360340] [2024-12-02 10:28:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836360340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:28:16,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:28:16,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:28:16,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848366657] [2024-12-02 10:28:16,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:28:16,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:28:16,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:28:16,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:28:16,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:28:16,492 INFO L87 Difference]: Start difference. First operand 110763 states and 149561 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 10:28:20,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:28:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:28:26,463 INFO L93 Difference]: Finished difference Result 110765 states and 149562 transitions. [2024-12-02 10:28:26,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:28:26,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 477 [2024-12-02 10:28:26,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:28:26,879 INFO L225 Difference]: With dead ends: 110765 [2024-12-02 10:28:26,879 INFO L226 Difference]: Without dead ends: 107627 [2024-12-02 10:28:26,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:28:26,925 INFO L435 NwaCegarLoop]: 2443 mSDtfsCounter, 15 mSDsluCounter, 7309 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 9752 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 10:28:26,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 9752 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 10:28:26,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107627 states. [2024-12-02 10:28:33,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107627 to 107627. [2024-12-02 10:28:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107627 states, 75404 states have (on average 1.276178982547345) internal successors, (96229), 75673 states have internal predecessors, (96229), 24552 states have call successors, (24552), 7613 states have call predecessors, (24552), 7669 states have return successors, (24608), 24490 states have call predecessors, (24608), 24552 states have call successors, (24608) [2024-12-02 10:28:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107627 states to 107627 states and 145389 transitions. [2024-12-02 10:28:34,310 INFO L78 Accepts]: Start accepts. Automaton has 107627 states and 145389 transitions. Word has length 477 [2024-12-02 10:28:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:28:34,311 INFO L471 AbstractCegarLoop]: Abstraction has 107627 states and 145389 transitions. [2024-12-02 10:28:34,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (48), 3 states have call predecessors, (48), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 10:28:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 107627 states and 145389 transitions. [2024-12-02 10:28:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-12-02 10:28:34,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:28:34,571 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 25, 25, 25, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:28:34,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 10:28:34,571 INFO L396 AbstractCegarLoop]: === Iteration 26 === 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 10:28:34,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:28:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1927622032, now seen corresponding path program 1 times [2024-12-02 10:28:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:28:34,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132436713] [2024-12-02 10:28:34,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:28:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:28:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:28:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4238 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4212 trivial. 0 not checked. [2024-12-02 10:28:54,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:28:54,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132436713] [2024-12-02 10:28:54,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132436713] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:28:54,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:28:54,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:28:54,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576452903] [2024-12-02 10:28:54,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:28:54,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:28:54,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:28:54,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:28:54,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:28:54,067 INFO L87 Difference]: Start difference. First operand 107627 states and 145389 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 10:28:58,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:29:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:29:08,044 INFO L93 Difference]: Finished difference Result 249908 states and 336072 transitions. [2024-12-02 10:29:08,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:29:08,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 660 [2024-12-02 10:29:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:29:09,004 INFO L225 Difference]: With dead ends: 249908 [2024-12-02 10:29:09,004 INFO L226 Difference]: Without dead ends: 142399 [2024-12-02 10:29:09,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:29:09,394 INFO L435 NwaCegarLoop]: 3625 mSDtfsCounter, 1350 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1350 SdHoareTripleChecker+Valid, 5943 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:29:09,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1350 Valid, 5943 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 10:29:09,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142399 states. [2024-12-02 10:29:19,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142399 to 142379. [2024-12-02 10:29:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142379 states, 98966 states have (on average 1.266152011802033) internal successors, (125306), 99331 states have internal predecessors, (125306), 32517 states have call successors, (32517), 10818 states have call predecessors, (32517), 10894 states have return successors, (32593), 32429 states have call predecessors, (32593), 32517 states have call successors, (32593) [2024-12-02 10:29:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142379 states to 142379 states and 190416 transitions. [2024-12-02 10:29:20,102 INFO L78 Accepts]: Start accepts. Automaton has 142379 states and 190416 transitions. Word has length 660 [2024-12-02 10:29:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:29:20,104 INFO L471 AbstractCegarLoop]: Abstraction has 142379 states and 190416 transitions. [2024-12-02 10:29:20,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 10:29:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 142379 states and 190416 transitions. [2024-12-02 10:29:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2024-12-02 10:29:20,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:29:20,413 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 25, 25, 25, 20, 20, 20, 20, 20, 20, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:29:20,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 10:29:20,413 INFO L396 AbstractCegarLoop]: === Iteration 27 === 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 10:29:20,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:29:20,414 INFO L85 PathProgramCache]: Analyzing trace with hash 365458994, now seen corresponding path program 1 times [2024-12-02 10:29:20,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:29:20,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325598311] [2024-12-02 10:29:20,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:29:20,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:29:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:29:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4238 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4212 trivial. 0 not checked. [2024-12-02 10:29:41,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:29:41,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325598311] [2024-12-02 10:29:41,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325598311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:29:41,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:29:41,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:29:41,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140011279] [2024-12-02 10:29:41,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:29:41,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:29:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:29:41,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:29:41,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:29:41,651 INFO L87 Difference]: Start difference. First operand 142379 states and 190416 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 10:29:45,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:29:56,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:29:56,045 INFO L93 Difference]: Finished difference Result 302400 states and 403372 transitions. [2024-12-02 10:29:56,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:29:56,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 660 [2024-12-02 10:29:56,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:29:57,008 INFO L225 Difference]: With dead ends: 302400 [2024-12-02 10:29:57,008 INFO L226 Difference]: Without dead ends: 157035 [2024-12-02 10:29:57,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:29:57,481 INFO L435 NwaCegarLoop]: 3397 mSDtfsCounter, 964 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 5742 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 10:29:57,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 5742 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 10:29:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157035 states.