./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-rc-nuvoton-cir.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_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/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_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/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-rc-nuvoton-cir.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/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_73fccc64-f416-4f13-9ac0-74740f5beefe/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 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:13:55,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:13:55,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-01 23:13:55,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:13:55,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:13:55,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:13:55,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:13:55,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:13:55,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:13:55,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:13:55,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:13:55,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:13:55,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:13:55,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:13:55,760 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:13:55,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:13:55,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:13:55,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:55,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:55,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:13:55,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:13:55,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:13:55,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:13:55,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:13:55,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:13:55,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:13:55,763 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_73fccc64-f416-4f13-9ac0-74740f5beefe/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 -> 4bd03bf538c8a1f05055d45724b67645b210b4f99e6ffddc4b441645e05ec36a [2024-12-01 23:13:55,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:13:55,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:13:55,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:13:55,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:13:55,986 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:13:55,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-12-01 23:13:58,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/data/d18eda3cc/5d999a7f22ec436685dfed372d71845c/FLAG13ccc4cda [2024-12-01 23:13:58,990 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:13:58,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-12-01 23:13:59,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/data/d18eda3cc/5d999a7f22ec436685dfed372d71845c/FLAG13ccc4cda [2024-12-01 23:13:59,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/data/d18eda3cc/5d999a7f22ec436685dfed372d71845c [2024-12-01 23:13:59,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:13:59,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:13:59,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:13:59,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:13:59,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:13:59,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:59" (1/1) ... [2024-12-01 23:13:59,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea8b046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:59, skipping insertion in model container [2024-12-01 23:13:59,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:59" (1/1) ... [2024-12-01 23:13:59,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:14:00,324 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-12-01 23:14:00,328 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-12-01 23:14:00,328 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-12-01 23:14:00,329 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-12-01 23:14:00,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:14:00,358 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:14:00,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3610] [2024-12-01 23:14:00,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3618] [2024-12-01 23:14:00,585 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196376,196389] [2024-12-01 23:14:00,586 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196545,196558] [2024-12-01 23:14:00,586 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196712,196725] [2024-12-01 23:14:00,587 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_73fccc64-f416-4f13-9ac0-74740f5beefe/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i[196880,196893] [2024-12-01 23:14:00,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:14:00,651 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:14:00,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00 WrapperNode [2024-12-01 23:14:00,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:14:00,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:14:00,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:14:00,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:14:00,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:00,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:00,798 INFO L138 Inliner]: procedures = 288, calls = 1182, calls flagged for inlining = 114, calls inlined = 94, statements flattened = 2631 [2024-12-01 23:14:00,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:14:00,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:14:00,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:14:00,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:14:00,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:00,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:00,821 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,018 INFO L175 MemorySlicer]: Split 271 memory accesses to 30 slices as follows [1, 18, 4, 135, 11, 6, 6, 1, 2, 29, 2, 5, 1, 5, 1, 4, 1, 5, 1, 4, 1, 5, 2, 1, 5, 1, 6, 4, 1, 3]. 50 percent of accesses are in the largest equivalence class. The 83 initializations are split as follows [1, 18, 0, 0, 0, 6, 6, 1, 2, 0, 1, 5, 1, 5, 1, 4, 1, 5, 1, 4, 1, 5, 0, 1, 5, 1, 0, 4, 1, 3]. The 109 writes are split as follows [0, 0, 4, 64, 9, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 6, 0, 0, 0]. [2024-12-01 23:14:01,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,082 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,151 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:14:01,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:14:01,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:14:01,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:14:01,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (1/1) ... [2024-12-01 23:14:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:14:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:14:01,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:14:01,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-01 23:14:01,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-12-01 23:14:01,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#23 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#24 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#25 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#26 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#27 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#28 [2024-12-01 23:14:01,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#29 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-01 23:14:01,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-12-01 23:14:01,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#23 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#24 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#25 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#26 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#27 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#28 [2024-12-01 23:14:01,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#29 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-01 23:14:01,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-01 23:14:01,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2024-12-01 23:14:01,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2024-12-01 23:14:01,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2024-12-01 23:14:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-01 23:14:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2024-12-01 23:14:01,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-01 23:14:01,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-01 23:14:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2024-12-01 23:14:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2024-12-01 23:14:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2024-12-01 23:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2024-12-01 23:14:01,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2024-12-01 23:14:01,217 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2024-12-01 23:14:01,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-01 23:14:01,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-01 23:14:01,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2024-12-01 23:14:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-01 23:14:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2024-12-01 23:14:01,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-01 23:14:01,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-01 23:14:01,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2024-12-01 23:14:01,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-01 23:14:01,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-01 23:14:01,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-01 23:14:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-01 23:14:01,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2024-12-01 23:14:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2024-12-01 23:14:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2024-12-01 23:14:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2024-12-01 23:14:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2024-12-01 23:14:01,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-01 23:14:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-01 23:14:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-01 23:14:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-12-01 23:14:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-12-01 23:14:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2024-12-01 23:14:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2024-12-01 23:14:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-01 23:14:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-01 23:14:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:14:01,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:14:01,798 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:14:01,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:14:01,818 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-01 23:14:12,006 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-01 23:14:12,464 INFO L? ?]: Removed 1065 outVars from TransFormulas that were not future-live. [2024-12-01 23:14:12,465 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:14:12,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:14:12,494 INFO L312 CfgBuilder]: Removed 30 assume(true) statements. [2024-12-01 23:14:12,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:12 BoogieIcfgContainer [2024-12-01 23:14:12,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:14:12,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:14:12,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:14:12,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:14:12,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:59" (1/3) ... [2024-12-01 23:14:12,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201564b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:12, skipping insertion in model container [2024-12-01 23:14:12,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:00" (2/3) ... [2024-12-01 23:14:12,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201564b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:12, skipping insertion in model container [2024-12-01 23:14:12,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:12" (3/3) ... [2024-12-01 23:14:12,502 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2024-12-01 23:14:12,516 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:14:12,519 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i that has 103 procedures, 1439 locations, 1 initial locations, 31 loop locations, and 3 error locations. [2024-12-01 23:14:12,597 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:14:12,608 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;@61b3e3c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:14:12,608 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-01 23:14:12,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 1292 states, 770 states have (on average 1.2363636363636363) internal successors, (952), 783 states have internal predecessors, (952), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) [2024-12-01 23:14:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-01 23:14:12,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:12,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:12,625 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)] === [2024-12-01 23:14:12,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1680611787, now seen corresponding path program 1 times [2024-12-01 23:14:12,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:12,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025678745] [2024-12-01 23:14:12,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:12,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-01 23:14:13,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:13,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025678745] [2024-12-01 23:14:13,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025678745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:13,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:13,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:13,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915663197] [2024-12-01 23:14:13,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:13,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:13,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:13,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:13,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:13,601 INFO L87 Difference]: Start difference. First operand has 1292 states, 770 states have (on average 1.2363636363636363) internal successors, (952), 783 states have internal predecessors, (952), 447 states have call successors, (447), 73 states have call predecessors, (447), 72 states have return successors, (443), 442 states have call predecessors, (443), 443 states have call successors, (443) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-01 23:14:17,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:17,913 INFO L93 Difference]: Finished difference Result 3787 states and 5513 transitions. [2024-12-01 23:14:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:17,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 57 [2024-12-01 23:14:17,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:17,941 INFO L225 Difference]: With dead ends: 3787 [2024-12-01 23:14:17,941 INFO L226 Difference]: Without dead ends: 2497 [2024-12-01 23:14:17,952 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 [2024-12-01 23:14:17,954 INFO L435 NwaCegarLoop]: 1853 mSDtfsCounter, 1762 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:17,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 3644 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2024-12-01 23:14:18,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 2493. [2024-12-01 23:14:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2493 states, 1487 states have (on average 1.2273032952252858) internal successors, (1825), 1511 states have internal predecessors, (1825), 862 states have call successors, (862), 142 states have call predecessors, (862), 141 states have return successors, (859), 857 states have call predecessors, (859), 859 states have call successors, (859) [2024-12-01 23:14:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3546 transitions. [2024-12-01 23:14:18,217 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3546 transitions. Word has length 57 [2024-12-01 23:14:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:18,218 INFO L471 AbstractCegarLoop]: Abstraction has 2493 states and 3546 transitions. [2024-12-01 23:14:18,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-01 23:14:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3546 transitions. [2024-12-01 23:14:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-01 23:14:18,222 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:18,222 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:18,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:14:18,223 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)] === [2024-12-01 23:14:18,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:18,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1799148616, now seen corresponding path program 1 times [2024-12-01 23:14:18,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:18,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651747566] [2024-12-01 23:14:18,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-01 23:14:18,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:18,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651747566] [2024-12-01 23:14:18,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651747566] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:18,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:18,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:18,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043246516] [2024-12-01 23:14:18,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:18,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:18,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:18,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:18,760 INFO L87 Difference]: Start difference. First operand 2493 states and 3546 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-01 23:14:22,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:23,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:23,022 INFO L93 Difference]: Finished difference Result 4723 states and 6701 transitions. [2024-12-01 23:14:23,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:23,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-12-01 23:14:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:23,047 INFO L225 Difference]: With dead ends: 4723 [2024-12-01 23:14:23,047 INFO L226 Difference]: Without dead ends: 2241 [2024-12-01 23:14:23,052 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 [2024-12-01 23:14:23,053 INFO L435 NwaCegarLoop]: 1854 mSDtfsCounter, 686 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 3612 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:23,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 3612 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2241 states. [2024-12-01 23:14:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2241 to 2220. [2024-12-01 23:14:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 1406 states have (on average 1.2567567567567568) internal successors, (1767), 1441 states have internal predecessors, (1767), 676 states have call successors, (676), 136 states have call predecessors, (676), 135 states have return successors, (673), 669 states have call predecessors, (673), 673 states have call successors, (673) [2024-12-01 23:14:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3116 transitions. [2024-12-01 23:14:23,134 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3116 transitions. Word has length 71 [2024-12-01 23:14:23,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:23,135 INFO L471 AbstractCegarLoop]: Abstraction has 2220 states and 3116 transitions. [2024-12-01 23:14:23,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-01 23:14:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3116 transitions. [2024-12-01 23:14:23,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-01 23:14:23,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:23,139 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:23,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:14:23,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-01 23:14:23,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash -98231734, now seen corresponding path program 1 times [2024-12-01 23:14:23,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:23,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164974736] [2024-12-01 23:14:23,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-01 23:14:23,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:23,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164974736] [2024-12-01 23:14:23,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164974736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:23,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:23,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:23,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295814810] [2024-12-01 23:14:23,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:23,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:23,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:23,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:23,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:23,571 INFO L87 Difference]: Start difference. First operand 2220 states and 3116 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-01 23:14:27,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:27,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:27,763 INFO L93 Difference]: Finished difference Result 5664 states and 7972 transitions. [2024-12-01 23:14:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:27,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 109 [2024-12-01 23:14:27,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:27,782 INFO L225 Difference]: With dead ends: 5664 [2024-12-01 23:14:27,782 INFO L226 Difference]: Without dead ends: 3895 [2024-12-01 23:14:27,788 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 [2024-12-01 23:14:27,788 INFO L435 NwaCegarLoop]: 2419 mSDtfsCounter, 1759 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:27,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 4212 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-01 23:14:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2024-12-01 23:14:27,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3877. [2024-12-01 23:14:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3877 states, 2434 states have (on average 1.2543138866064092) internal successors, (3053), 2488 states have internal predecessors, (3053), 1205 states have call successors, (1205), 236 states have call predecessors, (1205), 235 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-12-01 23:14:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3877 states and 5460 transitions. [2024-12-01 23:14:27,931 INFO L78 Accepts]: Start accepts. Automaton has 3877 states and 5460 transitions. Word has length 109 [2024-12-01 23:14:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:27,932 INFO L471 AbstractCegarLoop]: Abstraction has 3877 states and 5460 transitions. [2024-12-01 23:14:27,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-01 23:14:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 5460 transitions. [2024-12-01 23:14:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-01 23:14:27,934 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:27,934 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:27,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:14:27,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-01 23:14:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 324470092, now seen corresponding path program 1 times [2024-12-01 23:14:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683816882] [2024-12-01 23:14:27,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-01 23:14:28,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:28,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683816882] [2024-12-01 23:14:28,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683816882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:28,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:28,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:28,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856288775] [2024-12-01 23:14:28,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:28,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:28,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:28,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:28,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:28,548 INFO L87 Difference]: Start difference. First operand 3877 states and 5460 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-01 23:14:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:28,734 INFO L93 Difference]: Finished difference Result 3883 states and 5465 transitions. [2024-12-01 23:14:28,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:28,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 109 [2024-12-01 23:14:28,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:28,751 INFO L225 Difference]: With dead ends: 3883 [2024-12-01 23:14:28,752 INFO L226 Difference]: Without dead ends: 3881 [2024-12-01 23:14:28,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:28,755 INFO L435 NwaCegarLoop]: 1816 mSDtfsCounter, 1784 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 5439 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:28,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 5439 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:28,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3881 states. [2024-12-01 23:14:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3881 to 3881. [2024-12-01 23:14:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3881 states, 2437 states have (on average 1.2540008206811655) internal successors, (3056), 2491 states have internal predecessors, (3056), 1205 states have call successors, (1205), 237 states have call predecessors, (1205), 236 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-12-01 23:14:28,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3881 states and 5463 transitions. [2024-12-01 23:14:28,930 INFO L78 Accepts]: Start accepts. Automaton has 3881 states and 5463 transitions. Word has length 109 [2024-12-01 23:14:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:28,930 INFO L471 AbstractCegarLoop]: Abstraction has 3881 states and 5463 transitions. [2024-12-01 23:14:28,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-01 23:14:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 5463 transitions. [2024-12-01 23:14:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-01 23:14:28,933 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:28,933 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:28,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:14:28,934 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)] === [2024-12-01 23:14:28,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:28,934 INFO L85 PathProgramCache]: Analyzing trace with hash -191978982, now seen corresponding path program 1 times [2024-12-01 23:14:28,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:28,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681598921] [2024-12-01 23:14:28,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-12-01 23:14:29,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:29,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681598921] [2024-12-01 23:14:29,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681598921] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:29,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:29,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:29,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413111468] [2024-12-01 23:14:29,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:29,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:29,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:29,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:29,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:29,512 INFO L87 Difference]: Start difference. First operand 3881 states and 5463 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-01 23:14:29,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:29,757 INFO L93 Difference]: Finished difference Result 3887 states and 5468 transitions. [2024-12-01 23:14:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:29,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2024-12-01 23:14:29,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:29,782 INFO L225 Difference]: With dead ends: 3887 [2024-12-01 23:14:29,782 INFO L226 Difference]: Without dead ends: 3885 [2024-12-01 23:14:29,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:29,785 INFO L435 NwaCegarLoop]: 1819 mSDtfsCounter, 1780 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 5443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:29,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 5443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2024-12-01 23:14:30,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3885. [2024-12-01 23:14:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 2440 states have (on average 1.2536885245901639) internal successors, (3059), 2494 states have internal predecessors, (3059), 1205 states have call successors, (1205), 238 states have call predecessors, (1205), 237 states have return successors, (1202), 1197 states have call predecessors, (1202), 1202 states have call successors, (1202) [2024-12-01 23:14:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5466 transitions. [2024-12-01 23:14:30,040 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5466 transitions. Word has length 114 [2024-12-01 23:14:30,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:30,040 INFO L471 AbstractCegarLoop]: Abstraction has 3885 states and 5466 transitions. [2024-12-01 23:14:30,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-01 23:14:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5466 transitions. [2024-12-01 23:14:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-01 23:14:30,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:30,044 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:30,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:14:30,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-01 23:14:30,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:30,045 INFO L85 PathProgramCache]: Analyzing trace with hash 412076391, now seen corresponding path program 1 times [2024-12-01 23:14:30,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:30,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964127569] [2024-12-01 23:14:30,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-01 23:14:30,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:30,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964127569] [2024-12-01 23:14:30,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964127569] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:30,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:30,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:30,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447492315] [2024-12-01 23:14:30,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:30,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:30,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:30,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:30,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:30,657 INFO L87 Difference]: Start difference. First operand 3885 states and 5466 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-01 23:14:34,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:35,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:35,212 INFO L93 Difference]: Finished difference Result 10842 states and 15238 transitions. [2024-12-01 23:14:35,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:35,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-12-01 23:14:35,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:35,259 INFO L225 Difference]: With dead ends: 10842 [2024-12-01 23:14:35,259 INFO L226 Difference]: Without dead ends: 6968 [2024-12-01 23:14:35,278 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 [2024-12-01 23:14:35,279 INFO L435 NwaCegarLoop]: 2146 mSDtfsCounter, 1701 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 3945 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:35,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1701 Valid, 3945 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:35,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6968 states. [2024-12-01 23:14:35,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6968 to 6929. [2024-12-01 23:14:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6929 states, 4326 states have (on average 1.243180767452612) internal successors, (5378), 4411 states have internal predecessors, (5378), 2168 states have call successors, (2168), 433 states have call predecessors, (2168), 432 states have return successors, (2177), 2155 states have call predecessors, (2177), 2165 states have call successors, (2177) [2024-12-01 23:14:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 9723 transitions. [2024-12-01 23:14:35,667 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 9723 transitions. Word has length 126 [2024-12-01 23:14:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:35,668 INFO L471 AbstractCegarLoop]: Abstraction has 6929 states and 9723 transitions. [2024-12-01 23:14:35,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-01 23:14:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 9723 transitions. [2024-12-01 23:14:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-01 23:14:35,670 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:35,670 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:35,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 23:14:35,670 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)] === [2024-12-01 23:14:35,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:35,670 INFO L85 PathProgramCache]: Analyzing trace with hash -782504500, now seen corresponding path program 1 times [2024-12-01 23:14:35,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785800879] [2024-12-01 23:14:35,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-01 23:14:36,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:36,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785800879] [2024-12-01 23:14:36,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785800879] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:36,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:36,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:36,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467679414] [2024-12-01 23:14:36,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:36,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:36,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:36,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:36,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:36,121 INFO L87 Difference]: Start difference. First operand 6929 states and 9723 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-01 23:14:36,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:36,338 INFO L93 Difference]: Finished difference Result 6935 states and 9728 transitions. [2024-12-01 23:14:36,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:36,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2024-12-01 23:14:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:36,374 INFO L225 Difference]: With dead ends: 6935 [2024-12-01 23:14:36,374 INFO L226 Difference]: Without dead ends: 6933 [2024-12-01 23:14:36,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:36,379 INFO L435 NwaCegarLoop]: 1819 mSDtfsCounter, 1779 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1780 SdHoareTripleChecker+Valid, 5443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:36,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1780 Valid, 5443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2024-12-01 23:14:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 6933. [2024-12-01 23:14:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6933 states, 4329 states have (on average 1.243012243012243) internal successors, (5381), 4414 states have internal predecessors, (5381), 2168 states have call successors, (2168), 434 states have call predecessors, (2168), 433 states have return successors, (2177), 2155 states have call predecessors, (2177), 2165 states have call successors, (2177) [2024-12-01 23:14:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6933 states to 6933 states and 9726 transitions. [2024-12-01 23:14:36,717 INFO L78 Accepts]: Start accepts. Automaton has 6933 states and 9726 transitions. Word has length 119 [2024-12-01 23:14:36,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:36,717 INFO L471 AbstractCegarLoop]: Abstraction has 6933 states and 9726 transitions. [2024-12-01 23:14:36,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-01 23:14:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 6933 states and 9726 transitions. [2024-12-01 23:14:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-01 23:14:36,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:36,720 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:36,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 23:14:36,721 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)] === [2024-12-01 23:14:36,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash 402733338, now seen corresponding path program 1 times [2024-12-01 23:14:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688578666] [2024-12-01 23:14:36,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-01 23:14:37,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:37,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688578666] [2024-12-01 23:14:37,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688578666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:37,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:37,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:37,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316952323] [2024-12-01 23:14:37,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:37,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:37,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:37,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:37,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:37,325 INFO L87 Difference]: Start difference. First operand 6933 states and 9726 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-01 23:14:37,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:37,741 INFO L93 Difference]: Finished difference Result 7184 states and 9939 transitions. [2024-12-01 23:14:37,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:37,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2024-12-01 23:14:37,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:37,771 INFO L225 Difference]: With dead ends: 7184 [2024-12-01 23:14:37,771 INFO L226 Difference]: Without dead ends: 7182 [2024-12-01 23:14:37,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:37,774 INFO L435 NwaCegarLoop]: 1817 mSDtfsCounter, 1731 mSDsluCounter, 3683 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:37,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 5500 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:14:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2024-12-01 23:14:38,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 7180. [2024-12-01 23:14:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7180 states, 4494 states have (on average 1.2360925678682688) internal successors, (5555), 4579 states have internal predecessors, (5555), 2186 states have call successors, (2186), 498 states have call predecessors, (2186), 497 states have return successors, (2195), 2173 states have call predecessors, (2195), 2183 states have call successors, (2195) [2024-12-01 23:14:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7180 states to 7180 states and 9936 transitions. [2024-12-01 23:14:38,101 INFO L78 Accepts]: Start accepts. Automaton has 7180 states and 9936 transitions. Word has length 124 [2024-12-01 23:14:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:38,102 INFO L471 AbstractCegarLoop]: Abstraction has 7180 states and 9936 transitions. [2024-12-01 23:14:38,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-01 23:14:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7180 states and 9936 transitions. [2024-12-01 23:14:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-01 23:14:38,104 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:38,104 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:38,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 23:14:38,105 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)] === [2024-12-01 23:14:38,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:38,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1322654132, now seen corresponding path program 1 times [2024-12-01 23:14:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:38,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958355786] [2024-12-01 23:14:38,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-12-01 23:14:38,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:38,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958355786] [2024-12-01 23:14:38,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958355786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:38,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:38,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:38,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484803891] [2024-12-01 23:14:38,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:38,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:38,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:38,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:38,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:38,639 INFO L87 Difference]: Start difference. First operand 7180 states and 9936 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-01 23:14:39,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:39,108 INFO L93 Difference]: Finished difference Result 7186 states and 9941 transitions. [2024-12-01 23:14:39,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:39,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-12-01 23:14:39,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:39,156 INFO L225 Difference]: With dead ends: 7186 [2024-12-01 23:14:39,156 INFO L226 Difference]: Without dead ends: 7184 [2024-12-01 23:14:39,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:39,161 INFO L435 NwaCegarLoop]: 1819 mSDtfsCounter, 1777 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 5443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:39,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1778 Valid, 5443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:39,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7184 states. [2024-12-01 23:14:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7184 to 7184. [2024-12-01 23:14:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7184 states, 4497 states have (on average 1.235935067822993) internal successors, (5558), 4582 states have internal predecessors, (5558), 2186 states have call successors, (2186), 499 states have call predecessors, (2186), 498 states have return successors, (2195), 2173 states have call predecessors, (2195), 2183 states have call successors, (2195) [2024-12-01 23:14:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7184 states to 7184 states and 9939 transitions. [2024-12-01 23:14:39,743 INFO L78 Accepts]: Start accepts. Automaton has 7184 states and 9939 transitions. Word has length 129 [2024-12-01 23:14:39,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:39,744 INFO L471 AbstractCegarLoop]: Abstraction has 7184 states and 9939 transitions. [2024-12-01 23:14:39,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-01 23:14:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 7184 states and 9939 transitions. [2024-12-01 23:14:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-01 23:14:39,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:39,748 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:39,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-01 23:14:39,748 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-12-01 23:14:39,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash 108320929, now seen corresponding path program 1 times [2024-12-01 23:14:39,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:39,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086739223] [2024-12-01 23:14:39,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-01 23:14:40,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:40,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086739223] [2024-12-01 23:14:40,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086739223] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:40,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:40,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:40,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149579343] [2024-12-01 23:14:40,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:40,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:40,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:40,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:40,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:40,416 INFO L87 Difference]: Start difference. First operand 7184 states and 9939 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:14:44,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:45,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:45,131 INFO L93 Difference]: Finished difference Result 18464 states and 25521 transitions. [2024-12-01 23:14:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:45,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 141 [2024-12-01 23:14:45,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:45,165 INFO L225 Difference]: With dead ends: 18464 [2024-12-01 23:14:45,165 INFO L226 Difference]: Without dead ends: 11291 [2024-12-01 23:14:45,182 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 [2024-12-01 23:14:45,182 INFO L435 NwaCegarLoop]: 2150 mSDtfsCounter, 1454 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 3949 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:45,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1454 Valid, 3949 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:45,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11291 states. [2024-12-01 23:14:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11291 to 11236. [2024-12-01 23:14:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11236 states, 6881 states have (on average 1.2081092864409242) internal successors, (8313), 6979 states have internal predecessors, (8313), 3576 states have call successors, (3576), 781 states have call predecessors, (3576), 776 states have return successors, (3613), 3547 states have call predecessors, (3613), 3573 states have call successors, (3613) [2024-12-01 23:14:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11236 states to 11236 states and 15502 transitions. [2024-12-01 23:14:45,694 INFO L78 Accepts]: Start accepts. Automaton has 11236 states and 15502 transitions. Word has length 141 [2024-12-01 23:14:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:45,695 INFO L471 AbstractCegarLoop]: Abstraction has 11236 states and 15502 transitions. [2024-12-01 23:14:45,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:14:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 11236 states and 15502 transitions. [2024-12-01 23:14:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-01 23:14:45,697 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:45,697 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:14:45,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 23:14:45,697 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)] === [2024-12-01 23:14:45,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash 483704858, now seen corresponding path program 1 times [2024-12-01 23:14:45,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:45,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574914358] [2024-12-01 23:14:45,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-12-01 23:14:46,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574914358] [2024-12-01 23:14:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574914358] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292375892] [2024-12-01 23:14:46,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:46,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:46,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:46,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:46,124 INFO L87 Difference]: Start difference. First operand 11236 states and 15502 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-01 23:14:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:46,596 INFO L93 Difference]: Finished difference Result 12212 states and 16606 transitions. [2024-12-01 23:14:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:46,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2024-12-01 23:14:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:46,632 INFO L225 Difference]: With dead ends: 12212 [2024-12-01 23:14:46,632 INFO L226 Difference]: Without dead ends: 12210 [2024-12-01 23:14:46,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:46,637 INFO L435 NwaCegarLoop]: 1853 mSDtfsCounter, 1605 mSDsluCounter, 3984 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 5837 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:46,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1606 Valid, 5837 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12210 states. [2024-12-01 23:14:47,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12210 to 12208. [2024-12-01 23:14:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12208 states, 7450 states have (on average 1.197046979865772) internal successors, (8918), 7548 states have internal predecessors, (8918), 3824 states have call successors, (3824), 936 states have call predecessors, (3824), 931 states have return successors, (3861), 3795 states have call predecessors, (3861), 3821 states have call successors, (3861) [2024-12-01 23:14:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12208 states to 12208 states and 16603 transitions. [2024-12-01 23:14:47,568 INFO L78 Accepts]: Start accepts. Automaton has 12208 states and 16603 transitions. Word has length 134 [2024-12-01 23:14:47,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:47,568 INFO L471 AbstractCegarLoop]: Abstraction has 12208 states and 16603 transitions. [2024-12-01 23:14:47,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-01 23:14:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 12208 states and 16603 transitions. [2024-12-01 23:14:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-01 23:14:47,571 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:47,571 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 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] [2024-12-01 23:14:47,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-01 23:14:47,571 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-01 23:14:47,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:47,572 INFO L85 PathProgramCache]: Analyzing trace with hash -735510552, now seen corresponding path program 1 times [2024-12-01 23:14:47,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:47,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534209770] [2024-12-01 23:14:47,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:47,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-01 23:14:48,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:48,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534209770] [2024-12-01 23:14:48,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534209770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:48,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:48,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:48,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019968120] [2024-12-01 23:14:48,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:48,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:48,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:48,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:48,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:48,062 INFO L87 Difference]: Start difference. First operand 12208 states and 16603 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-01 23:14:52,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:14:52,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:52,990 INFO L93 Difference]: Finished difference Result 26883 states and 36476 transitions. [2024-12-01 23:14:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:14:52,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2024-12-01 23:14:52,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:53,053 INFO L225 Difference]: With dead ends: 26883 [2024-12-01 23:14:53,054 INFO L226 Difference]: Without dead ends: 14724 [2024-12-01 23:14:53,092 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 [2024-12-01 23:14:53,093 INFO L435 NwaCegarLoop]: 2454 mSDtfsCounter, 687 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:53,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 4198 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:14:53,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14724 states. [2024-12-01 23:14:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14724 to 14676. [2024-12-01 23:14:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14676 states, 9162 states have (on average 1.2051953721894784) internal successors, (11042), 9308 states have internal predecessors, (11042), 4350 states have call successors, (4350), 1166 states have call predecessors, (4350), 1161 states have return successors, (4387), 4309 states have call predecessors, (4387), 4347 states have call successors, (4387) [2024-12-01 23:14:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14676 states to 14676 states and 19779 transitions. [2024-12-01 23:14:53,800 INFO L78 Accepts]: Start accepts. Automaton has 14676 states and 19779 transitions. Word has length 131 [2024-12-01 23:14:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:53,800 INFO L471 AbstractCegarLoop]: Abstraction has 14676 states and 19779 transitions. [2024-12-01 23:14:53,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-01 23:14:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 14676 states and 19779 transitions. [2024-12-01 23:14:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-01 23:14:53,802 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:53,802 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 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] [2024-12-01 23:14:53,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-01 23:14:53,802 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)] === [2024-12-01 23:14:53,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:53,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1649404763, now seen corresponding path program 1 times [2024-12-01 23:14:53,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:53,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805996978] [2024-12-01 23:14:53,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:53,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-12-01 23:14:54,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:54,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805996978] [2024-12-01 23:14:54,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805996978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:54,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:54,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:54,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600311437] [2024-12-01 23:14:54,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:54,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:54,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:54,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:54,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:54,168 INFO L87 Difference]: Start difference. First operand 14676 states and 19779 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-01 23:14:54,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:54,787 INFO L93 Difference]: Finished difference Result 14682 states and 19784 transitions. [2024-12-01 23:14:54,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:54,788 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 157 [2024-12-01 23:14:54,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:54,822 INFO L225 Difference]: With dead ends: 14682 [2024-12-01 23:14:54,823 INFO L226 Difference]: Without dead ends: 14678 [2024-12-01 23:14:54,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:54,828 INFO L435 NwaCegarLoop]: 1819 mSDtfsCounter, 1764 mSDsluCounter, 3624 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 5443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:54,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 5443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:54,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14678 states. [2024-12-01 23:14:55,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14678 to 14678. [2024-12-01 23:14:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14678 states, 9164 states have (on average 1.205041466608468) internal successors, (11043), 9309 states have internal predecessors, (11043), 4350 states have call successors, (4350), 1167 states have call predecessors, (4350), 1161 states have return successors, (4387), 4309 states have call predecessors, (4387), 4347 states have call successors, (4387) [2024-12-01 23:14:55,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 19780 transitions. [2024-12-01 23:14:55,620 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 19780 transitions. Word has length 157 [2024-12-01 23:14:55,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:55,621 INFO L471 AbstractCegarLoop]: Abstraction has 14678 states and 19780 transitions. [2024-12-01 23:14:55,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-01 23:14:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 19780 transitions. [2024-12-01 23:14:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-01 23:14:55,623 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:55,623 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 6, 6, 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] [2024-12-01 23:14:55,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-01 23:14:55,623 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)] === [2024-12-01 23:14:55,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash -713245717, now seen corresponding path program 1 times [2024-12-01 23:14:55,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:55,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509864967] [2024-12-01 23:14:55,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-01 23:14:56,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:56,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509864967] [2024-12-01 23:14:56,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509864967] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:56,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:56,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:14:56,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588938185] [2024-12-01 23:14:56,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:56,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:14:56,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:56,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:14:56,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:14:56,161 INFO L87 Difference]: Start difference. First operand 14678 states and 19780 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:14:57,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:14:57,022 INFO L93 Difference]: Finished difference Result 14678 states and 19780 transitions. [2024-12-01 23:14:57,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:14:57,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2024-12-01 23:14:57,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:14:57,116 INFO L225 Difference]: With dead ends: 14678 [2024-12-01 23:14:57,116 INFO L226 Difference]: Without dead ends: 14459 [2024-12-01 23:14:57,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:14:57,120 INFO L435 NwaCegarLoop]: 1817 mSDtfsCounter, 1760 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 5439 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:14:57,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 5439 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:14:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14459 states. [2024-12-01 23:14:58,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14459 to 14459. [2024-12-01 23:14:58,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14459 states, 9026 states have (on average 1.202747617992466) internal successors, (10856), 9147 states have internal predecessors, (10856), 4283 states have call successors, (4283), 1152 states have call predecessors, (4283), 1148 states have return successors, (4323), 4267 states have call predecessors, (4323), 4283 states have call successors, (4323) [2024-12-01 23:14:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14459 states to 14459 states and 19462 transitions. [2024-12-01 23:14:58,438 INFO L78 Accepts]: Start accepts. Automaton has 14459 states and 19462 transitions. Word has length 162 [2024-12-01 23:14:58,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:14:58,439 INFO L471 AbstractCegarLoop]: Abstraction has 14459 states and 19462 transitions. [2024-12-01 23:14:58,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-01 23:14:58,439 INFO L276 IsEmpty]: Start isEmpty. Operand 14459 states and 19462 transitions. [2024-12-01 23:14:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-01 23:14:58,442 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:14:58,442 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-01 23:14:58,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-01 23:14:58,443 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-01 23:14:58,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:14:58,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1957001207, now seen corresponding path program 1 times [2024-12-01 23:14:58,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:14:58,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774975384] [2024-12-01 23:14:58,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:14:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:14:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:14:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-01 23:14:58,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:14:58,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774975384] [2024-12-01 23:14:58,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774975384] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:14:58,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:14:58,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:14:58,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498247765] [2024-12-01 23:14:58,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:14:58,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:14:58,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:14:58,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:14:58,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:14:58,910 INFO L87 Difference]: Start difference. First operand 14459 states and 19462 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:15:02,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:03,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:03,718 INFO L93 Difference]: Finished difference Result 31257 states and 42015 transitions. [2024-12-01 23:15:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:15:03,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2024-12-01 23:15:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:03,762 INFO L225 Difference]: With dead ends: 31257 [2024-12-01 23:15:03,763 INFO L226 Difference]: Without dead ends: 16792 [2024-12-01 23:15:03,793 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 [2024-12-01 23:15:03,794 INFO L435 NwaCegarLoop]: 2420 mSDtfsCounter, 646 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 4141 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:03,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 4141 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16792 states. [2024-12-01 23:15:04,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16792 to 16784. [2024-12-01 23:15:04,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16784 states, 10631 states have (on average 1.2084469946383218) internal successors, (12847), 10792 states have internal predecessors, (12847), 4786 states have call successors, (4786), 1369 states have call predecessors, (4786), 1365 states have return successors, (4826), 4766 states have call predecessors, (4826), 4786 states have call successors, (4826) [2024-12-01 23:15:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16784 states to 16784 states and 22459 transitions. [2024-12-01 23:15:04,543 INFO L78 Accepts]: Start accepts. Automaton has 16784 states and 22459 transitions. Word has length 203 [2024-12-01 23:15:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:04,543 INFO L471 AbstractCegarLoop]: Abstraction has 16784 states and 22459 transitions. [2024-12-01 23:15:04,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:15:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16784 states and 22459 transitions. [2024-12-01 23:15:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-01 23:15:04,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:04,546 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-01 23:15:04,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-01 23:15:04,546 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)] === [2024-12-01 23:15:04,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1493960587, now seen corresponding path program 1 times [2024-12-01 23:15:04,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:04,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521837118] [2024-12-01 23:15:04,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:04,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-01 23:15:04,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521837118] [2024-12-01 23:15:04,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521837118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:04,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:04,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:15:04,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724297287] [2024-12-01 23:15:04,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:04,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:15:04,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:04,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:15:04,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:15:04,869 INFO L87 Difference]: Start difference. First operand 16784 states and 22459 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:15:08,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:09,862 INFO L93 Difference]: Finished difference Result 36943 states and 49240 transitions. [2024-12-01 23:15:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:15:09,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 203 [2024-12-01 23:15:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:09,919 INFO L225 Difference]: With dead ends: 36943 [2024-12-01 23:15:09,919 INFO L226 Difference]: Without dead ends: 20208 [2024-12-01 23:15:09,962 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 [2024-12-01 23:15:09,962 INFO L435 NwaCegarLoop]: 2525 mSDtfsCounter, 1476 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:09,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 3531 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20208 states. [2024-12-01 23:15:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20208 to 20200. [2024-12-01 23:15:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20200 states, 12867 states have (on average 1.206497241004119) internal successors, (15524), 13066 states have internal predecessors, (15524), 5586 states have call successors, (5586), 1751 states have call predecessors, (5586), 1745 states have return successors, (5626), 5562 states have call predecessors, (5626), 5586 states have call successors, (5626) [2024-12-01 23:15:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20200 states to 20200 states and 26736 transitions. [2024-12-01 23:15:10,957 INFO L78 Accepts]: Start accepts. Automaton has 20200 states and 26736 transitions. Word has length 203 [2024-12-01 23:15:10,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:10,958 INFO L471 AbstractCegarLoop]: Abstraction has 20200 states and 26736 transitions. [2024-12-01 23:15:10,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-01 23:15:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 20200 states and 26736 transitions. [2024-12-01 23:15:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-01 23:15:10,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:10,960 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:10,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-01 23:15:10,960 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)] === [2024-12-01 23:15:10,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1369688029, now seen corresponding path program 1 times [2024-12-01 23:15:10,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:10,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832857869] [2024-12-01 23:15:10,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-12-01 23:15:11,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:11,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832857869] [2024-12-01 23:15:11,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832857869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:11,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:11,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:15:11,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995375429] [2024-12-01 23:15:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:11,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:15:11,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:11,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:15:11,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:15:11,389 INFO L87 Difference]: Start difference. First operand 20200 states and 26736 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-01 23:15:15,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:16,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:16,501 INFO L93 Difference]: Finished difference Result 42741 states and 56568 transitions. [2024-12-01 23:15:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:15:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 273 [2024-12-01 23:15:16,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:16,564 INFO L225 Difference]: With dead ends: 42741 [2024-12-01 23:15:16,564 INFO L226 Difference]: Without dead ends: 22604 [2024-12-01 23:15:16,606 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 [2024-12-01 23:15:16,607 INFO L435 NwaCegarLoop]: 2150 mSDtfsCounter, 646 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 3872 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:16,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 3872 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:16,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22604 states. [2024-12-01 23:15:17,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22604 to 22596. [2024-12-01 23:15:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22596 states, 14531 states have (on average 1.2103778129516207) internal successors, (17588), 14770 states have internal predecessors, (17588), 6096 states have call successors, (6096), 1973 states have call predecessors, (6096), 1967 states have return successors, (6136), 6068 states have call predecessors, (6136), 6096 states have call successors, (6136) [2024-12-01 23:15:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22596 states to 22596 states and 29820 transitions. [2024-12-01 23:15:17,691 INFO L78 Accepts]: Start accepts. Automaton has 22596 states and 29820 transitions. Word has length 273 [2024-12-01 23:15:17,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:17,692 INFO L471 AbstractCegarLoop]: Abstraction has 22596 states and 29820 transitions. [2024-12-01 23:15:17,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-01 23:15:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 22596 states and 29820 transitions. [2024-12-01 23:15:17,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-01 23:15:17,697 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:17,697 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:17,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-01 23:15:17,697 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)] === [2024-12-01 23:15:17,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:17,698 INFO L85 PathProgramCache]: Analyzing trace with hash 525682527, now seen corresponding path program 1 times [2024-12-01 23:15:17,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:17,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231933334] [2024-12-01 23:15:17,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:17,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-12-01 23:15:18,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:18,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231933334] [2024-12-01 23:15:18,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231933334] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:18,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:18,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:15:18,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963714693] [2024-12-01 23:15:18,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:18,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:15:18,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:18,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:15:18,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:15:18,122 INFO L87 Difference]: Start difference. First operand 22596 states and 29820 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-01 23:15:22,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:23,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:23,285 INFO L93 Difference]: Finished difference Result 47629 states and 62856 transitions. [2024-12-01 23:15:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:15:23,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 273 [2024-12-01 23:15:23,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:23,359 INFO L225 Difference]: With dead ends: 47629 [2024-12-01 23:15:23,359 INFO L226 Difference]: Without dead ends: 25096 [2024-12-01 23:15:23,405 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 [2024-12-01 23:15:23,405 INFO L435 NwaCegarLoop]: 2420 mSDtfsCounter, 659 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 4143 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:23,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 4143 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:23,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25096 states. [2024-12-01 23:15:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25096 to 25088. [2024-12-01 23:15:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25088 states, 16275 states have (on average 1.213394777265745) internal successors, (19748), 16554 states have internal predecessors, (19748), 6614 states have call successors, (6614), 2203 states have call predecessors, (6614), 2197 states have return successors, (6654), 6582 states have call predecessors, (6654), 6614 states have call successors, (6654) [2024-12-01 23:15:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25088 states to 25088 states and 33016 transitions. [2024-12-01 23:15:24,641 INFO L78 Accepts]: Start accepts. Automaton has 25088 states and 33016 transitions. Word has length 273 [2024-12-01 23:15:24,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:24,641 INFO L471 AbstractCegarLoop]: Abstraction has 25088 states and 33016 transitions. [2024-12-01 23:15:24,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-12-01 23:15:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 25088 states and 33016 transitions. [2024-12-01 23:15:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-01 23:15:24,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:24,644 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:24,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-01 23:15:24,644 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)] === [2024-12-01 23:15:24,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash -779325427, now seen corresponding path program 1 times [2024-12-01 23:15:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735497097] [2024-12-01 23:15:24,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:24,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2024-12-01 23:15:25,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:25,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735497097] [2024-12-01 23:15:25,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735497097] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:25,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:25,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:15:25,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183476574] [2024-12-01 23:15:25,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:25,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:15:25,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:25,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:15:25,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:25,009 INFO L87 Difference]: Start difference. First operand 25088 states and 33016 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-01 23:15:29,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:30,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:30,310 INFO L93 Difference]: Finished difference Result 52953 states and 69651 transitions. [2024-12-01 23:15:30,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:30,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 312 [2024-12-01 23:15:30,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:30,397 INFO L225 Difference]: With dead ends: 52953 [2024-12-01 23:15:30,397 INFO L226 Difference]: Without dead ends: 27928 [2024-12-01 23:15:30,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:30,449 INFO L435 NwaCegarLoop]: 2394 mSDtfsCounter, 708 mSDsluCounter, 6494 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 8888 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:30,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 8888 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:30,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27928 states. [2024-12-01 23:15:31,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27928 to 27904. [2024-12-01 23:15:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27904 states, 18133 states have (on average 1.215353223404842) internal successors, (22038), 18452 states have internal predecessors, (22038), 7284 states have call successors, (7284), 2483 states have call predecessors, (7284), 2485 states have return successors, (7332), 7256 states have call predecessors, (7332), 7284 states have call successors, (7332) [2024-12-01 23:15:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27904 states to 27904 states and 36654 transitions. [2024-12-01 23:15:31,804 INFO L78 Accepts]: Start accepts. Automaton has 27904 states and 36654 transitions. Word has length 312 [2024-12-01 23:15:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:31,805 INFO L471 AbstractCegarLoop]: Abstraction has 27904 states and 36654 transitions. [2024-12-01 23:15:31,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 4 states have internal predecessors, (126), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-01 23:15:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27904 states and 36654 transitions. [2024-12-01 23:15:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-01 23:15:31,807 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:31,808 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:31,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-01 23:15:31,808 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)] === [2024-12-01 23:15:31,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:31,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1597753925, now seen corresponding path program 1 times [2024-12-01 23:15:31,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:31,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202271539] [2024-12-01 23:15:31,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:31,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2024-12-01 23:15:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202271539] [2024-12-01 23:15:32,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202271539] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:32,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:32,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:15:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619266806] [2024-12-01 23:15:32,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:15:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:32,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:15:32,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:32,501 INFO L87 Difference]: Start difference. First operand 27904 states and 36654 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-01 23:15:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:34,178 INFO L93 Difference]: Finished difference Result 28052 states and 36800 transitions. [2024-12-01 23:15:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:34,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 313 [2024-12-01 23:15:34,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:34,267 INFO L225 Difference]: With dead ends: 28052 [2024-12-01 23:15:34,267 INFO L226 Difference]: Without dead ends: 28050 [2024-12-01 23:15:34,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:15:34,280 INFO L435 NwaCegarLoop]: 1810 mSDtfsCounter, 1517 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 5721 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:34,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 5721 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:15:34,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28050 states. [2024-12-01 23:15:35,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28050 to 28048. [2024-12-01 23:15:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28048 states, 18241 states have (on average 1.2132010306452496) internal successors, (22130), 18560 states have internal predecessors, (22130), 7284 states have call successors, (7284), 2519 states have call predecessors, (7284), 2521 states have return successors, (7332), 7256 states have call predecessors, (7332), 7284 states have call successors, (7332) [2024-12-01 23:15:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28048 states to 28048 states and 36746 transitions. [2024-12-01 23:15:35,593 INFO L78 Accepts]: Start accepts. Automaton has 28048 states and 36746 transitions. Word has length 313 [2024-12-01 23:15:35,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:35,594 INFO L471 AbstractCegarLoop]: Abstraction has 28048 states and 36746 transitions. [2024-12-01 23:15:35,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-01 23:15:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 28048 states and 36746 transitions. [2024-12-01 23:15:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-12-01 23:15:35,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:35,597 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:35,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-01 23:15:35,597 INFO L396 AbstractCegarLoop]: === Iteration 21 === 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)] === [2024-12-01 23:15:35,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:35,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1169491621, now seen corresponding path program 1 times [2024-12-01 23:15:35,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35468633] [2024-12-01 23:15:35,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:35,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-12-01 23:15:36,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:36,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35468633] [2024-12-01 23:15:36,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35468633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:36,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:36,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:15:36,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761667235] [2024-12-01 23:15:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:36,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:15:36,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:36,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:15:36,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:36,120 INFO L87 Difference]: Start difference. First operand 28048 states and 36746 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-01 23:15:40,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:41,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:41,443 INFO L93 Difference]: Finished difference Result 28050 states and 36747 transitions. [2024-12-01 23:15:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:41,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 333 [2024-12-01 23:15:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:41,555 INFO L225 Difference]: With dead ends: 28050 [2024-12-01 23:15:41,555 INFO L226 Difference]: Without dead ends: 27719 [2024-12-01 23:15:41,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:15:41,572 INFO L435 NwaCegarLoop]: 1867 mSDtfsCounter, 292 mSDsluCounter, 5333 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 7200 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:41,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 7200 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-01 23:15:41,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27719 states. [2024-12-01 23:15:43,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27719 to 27719. [2024-12-01 23:15:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27719 states, 18011 states have (on average 1.2103159180500804) internal successors, (21799), 18326 states have internal predecessors, (21799), 7220 states have call successors, (7220), 2484 states have call predecessors, (7220), 2486 states have return successors, (7268), 7192 states have call predecessors, (7268), 7220 states have call successors, (7268) [2024-12-01 23:15:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27719 states to 27719 states and 36287 transitions. [2024-12-01 23:15:43,410 INFO L78 Accepts]: Start accepts. Automaton has 27719 states and 36287 transitions. Word has length 333 [2024-12-01 23:15:43,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:43,411 INFO L471 AbstractCegarLoop]: Abstraction has 27719 states and 36287 transitions. [2024-12-01 23:15:43,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (34), 3 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-01 23:15:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 27719 states and 36287 transitions. [2024-12-01 23:15:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2024-12-01 23:15:43,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:43,415 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:43,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-01 23:15:43,415 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)] === [2024-12-01 23:15:43,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:43,415 INFO L85 PathProgramCache]: Analyzing trace with hash 97002159, now seen corresponding path program 1 times [2024-12-01 23:15:43,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:43,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510294181] [2024-12-01 23:15:43,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 728 trivial. 0 not checked. [2024-12-01 23:15:43,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:43,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510294181] [2024-12-01 23:15:43,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510294181] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:43,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:15:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767333938] [2024-12-01 23:15:43,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:43,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:15:43,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:43,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:15:43,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:43,953 INFO L87 Difference]: Start difference. First operand 27719 states and 36287 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 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) [2024-12-01 23:15:45,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:45,033 INFO L93 Difference]: Finished difference Result 27719 states and 36287 transitions. [2024-12-01 23:15:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:45,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 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 354 [2024-12-01 23:15:45,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:45,108 INFO L225 Difference]: With dead ends: 27719 [2024-12-01 23:15:45,108 INFO L226 Difference]: Without dead ends: 27717 [2024-12-01 23:15:45,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:15:45,116 INFO L435 NwaCegarLoop]: 1775 mSDtfsCounter, 1629 mSDsluCounter, 3608 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 5383 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:45,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 5383 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:15:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27717 states. [2024-12-01 23:15:46,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27717 to 27717. [2024-12-01 23:15:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27717 states, 18010 states have (on average 1.208328706274292) internal successors, (21762), 18324 states have internal predecessors, (21762), 7220 states have call successors, (7220), 2484 states have call predecessors, (7220), 2486 states have return successors, (7268), 7192 states have call predecessors, (7268), 7220 states have call successors, (7268) [2024-12-01 23:15:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27717 states to 27717 states and 36250 transitions. [2024-12-01 23:15:46,347 INFO L78 Accepts]: Start accepts. Automaton has 27717 states and 36250 transitions. Word has length 354 [2024-12-01 23:15:46,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:46,347 INFO L471 AbstractCegarLoop]: Abstraction has 27717 states and 36250 transitions. [2024-12-01 23:15:46,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 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) [2024-12-01 23:15:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 27717 states and 36250 transitions. [2024-12-01 23:15:46,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-12-01 23:15:46,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:15:46,351 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-01 23:15:46,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-01 23:15:46,351 INFO L396 AbstractCegarLoop]: === Iteration 23 === 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)] === [2024-12-01 23:15:46,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:15:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash -747284749, now seen corresponding path program 1 times [2024-12-01 23:15:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:15:46,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657162810] [2024-12-01 23:15:46,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:15:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:15:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:15:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-12-01 23:15:46,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:15:46,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657162810] [2024-12-01 23:15:46,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657162810] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:15:46,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:15:46,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:15:46,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325813701] [2024-12-01 23:15:46,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:15:46,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:15:46,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:15:46,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:15:46,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:15:46,811 INFO L87 Difference]: Start difference. First operand 27717 states and 36250 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-01 23:15:50,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-01 23:15:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:15:51,906 INFO L93 Difference]: Finished difference Result 27717 states and 36250 transitions. [2024-12-01 23:15:51,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:15:51,906 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 374 [2024-12-01 23:15:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:15:51,932 INFO L225 Difference]: With dead ends: 27717 [2024-12-01 23:15:51,932 INFO L226 Difference]: Without dead ends: 0 [2024-12-01 23:15:51,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:15:51,975 INFO L435 NwaCegarLoop]: 1792 mSDtfsCounter, 63 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:15:51,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 7091 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-12-01 23:15:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-01 23:15:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-01 23:15:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:15:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-01 23:15:51,998 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2024-12-01 23:15:51,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:15:51,998 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-01 23:15:51,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-01 23:15:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-01 23:15:51,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-01 23:15:52,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-01 23:15:52,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-01 23:15:52,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-01 23:15:52,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-01 23:15:52,003 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:15:52,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-01 23:18:46,953 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 427 DAG size of output: 24 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:18:59,073 WARN L286 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 427 DAG size of output: 24 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:19:25,925 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 255 DAG size of output: 18 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-01 23:20:38,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:20:38,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:20:38 BoogieIcfgContainer [2024-12-01 23:20:38,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:20:38,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:20:38,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:20:38,312 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:20:38,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:12" (3/4) ... [2024-12-01 23:20:38,315 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_get_rx_ir_data [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __raw_spin_lock_init [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_resource [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_reg_write [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_resource_valid [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assume [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_set_cir_iren [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#11 [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#12 [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#10 [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#15 [2024-12-01 23:20:38,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#16 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#13 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#14 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#19 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#17 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#18 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_switch_automaton_state_0_6 [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_efm_disable [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_irq [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_switch_to_interrupt_context [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_port_len [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_filter_err_code [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_wake_reg_read [2024-12-01 23:20:38,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_set_reg_bit [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_switch_to_process_context [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_wake_regs_init [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_clear_tx_fifo [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cr_read [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_enable_wake [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~$Pointer$~TO~int [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_raw_event_handle [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_switch_0 [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rc_unregister_device [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_clear_cir_wake_fifo [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_process_rx_ir_data [2024-12-01 23:20:38,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_wake_reg_write [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_efm_enable [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_disable_cir [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_xmalloc [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cr_write [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_port_start [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_remove [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock_irqrestore_47 [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_select_logical_dev [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock_irqrestore_45 [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_free [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_spin_lock [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_regs_init [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#1 [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#0 [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-01 23:20:38,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_tx_inactive [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_switch_automaton_state_1_6 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_shutdown [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_clear_cir_fifo [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_request_irq [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_get_drvdata [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_filter_positive_int [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_free_irq [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#7 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#22 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nvt_cir_reg_read [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pnp_port_valid [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#6 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#23 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#9 [2024-12-01 23:20:38,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#20 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#8 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#21 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#3 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#26 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#2 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#27 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#5 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#24 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#4 [2024-12-01 23:20:38,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#25 [2024-12-01 23:20:38,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#28 [2024-12-01 23:20:38,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_strcpy#29 [2024-12-01 23:20:38,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 353 nodes and edges [2024-12-01 23:20:38,377 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2024-12-01 23:20:38,383 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2024-12-01 23:20:38,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-01 23:20:38,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-01 23:20:38,397 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-01 23:20:38,402 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-01 23:20:38,404 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-01 23:20:38,452 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (\old(ldv_spin_nvt_lock_of_nvt_dev) == 1)) && (ldv_spin_ptl == 1)) && (2 == ldv_spin_nvt_lock_of_nvt_dev)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) [2024-12-01 23:20:38,620 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (\old(ldv_spin_nvt_lock_of_nvt_dev) == 1)) && (ldv_spin_ptl == 1)) && (2 == ldv_spin_nvt_lock_of_nvt_dev)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) [2024-12-01 23:20:38,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-01 23:20:38,706 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-01 23:20:38,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:20:38,707 INFO L158 Benchmark]: Toolchain (without parser) took 399540.41ms. Allocated memory was 117.4MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 84.2MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1483.59ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 44.3MB in the end (delta: 39.6MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.55ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.3MB in the beginning and 177.3MB in the end (delta: -133.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: Boogie Preprocessor took 351.51ms. Allocated memory is still 234.9MB. Free memory was 177.3MB in the beginning and 122.8MB in the end (delta: 54.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: RCFGBuilder took 11342.55ms. Allocated memory is still 234.9MB. Free memory was 122.8MB in the beginning and 127.7MB in the end (delta: -5.0MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2024-12-01 23:20:38,708 INFO L158 Benchmark]: TraceAbstraction took 385815.42ms. Allocated memory was 234.9MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 127.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-12-01 23:20:38,709 INFO L158 Benchmark]: Witness Printer took 394.56ms. Allocated memory is still 4.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-01 23:20:38,710 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1483.59ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 44.3MB in the end (delta: 39.6MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.55ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 44.3MB in the beginning and 177.3MB in the end (delta: -133.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 351.51ms. Allocated memory is still 234.9MB. Free memory was 177.3MB in the beginning and 122.8MB in the end (delta: 54.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * RCFGBuilder took 11342.55ms. Allocated memory is still 234.9MB. Free memory was 122.8MB in the beginning and 127.7MB in the end (delta: -5.0MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. * TraceAbstraction took 385815.42ms. Allocated memory was 234.9MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 127.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * Witness Printer took 394.56ms. Allocated memory is still 4.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3610]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3610] - GenericResultAtLocation [Line: 3618]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3618] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7812]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 7788]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 7824]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 103 procedures, 1439 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 99.4s, OverallIterations: 23, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 70.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 29676 SdHoareTripleChecker+Valid, 53.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29665 mSDsluCounter, 117517 SdHoareTripleChecker+Invalid, 53.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70909 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 753 IncrementalHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 46608 mSDtfsCounter, 753 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28048occurred in iteration=20, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 247 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 4321 NumberOfCodeBlocks, 4321 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4298 ConstructedInterpolants, 0 QuantifiedInterpolants, 6082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 6666/6666 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 4018]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6161]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5766]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6032]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5836]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6011]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5849]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6096]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5577]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_statevar_8 == 4)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6059]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6027]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4156]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6090]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (15 == ldv_statevar_2)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6111]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (18 == ldv_statevar_2)) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4147]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4868]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6064]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6038]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5587]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5772]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4868]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5618]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5168]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6071]: Location Invariant Derived location invariant: ((((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_statevar_2 == 11)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) || (((((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_statevar_8 == 4)) && (6 == ldv_statevar_0)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (6 == ldv_statevar_1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1))) - InvariantResult [Line: 5785]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 6079]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (13 == ldv_statevar_2)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5830]: Location Invariant Derived location invariant: ((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 5595]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (7 == ldv_statevar_8)) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4582]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (\old(ldv_spin_nvt_lock_of_nvt_dev) == 1)) && (ldv_spin_ptl == 1)) && (2 == ldv_spin_nvt_lock_of_nvt_dev)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) - InvariantResult [Line: 4138]: Location Invariant Derived location invariant: (((((((((ldv_spin_lock == 1) && (ldv_spin_i_lock_of_inode == 1)) && (ldv_spin_siglock_of_sighand_struct == 1)) && (ldv_spin_ptl == 1)) && (ldv_spin_alloc_lock_of_task_struct == 1)) && (ldv_spin_nvt_lock_of_nvt_dev == 1)) && (ldv_spin_node_size_lock_of_pglist_data == 1)) && (16 == ldv_statevar_2)) && (ldv_spin_lock_of_NOT_ARG_SIGN == 1)) RESULT: Ultimate proved your program to be correct! [2024-12-01 23:20:38,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fccc64-f416-4f13-9ac0-74740f5beefe/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE