./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-mutex_drivers-media-usb-stk1160-stk1160.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC --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 193fa6b4f086a396d067fbfddb452d772bc0bf74300960c03103aae93493f0ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:50:55,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:50:55,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:50:55,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:50:55,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:50:55,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:50:55,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:50:55,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:50:55,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:50:55,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:50:55,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:50:55,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:50:55,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:50:55,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:50:55,552 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:50:55,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:50:55,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:50:55,555 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:50:55,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:50:55,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:50:55,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:55,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:55,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:55,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:55,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:55,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:50:55,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:50:55,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:50:55,558 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC 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 -> 193fa6b4f086a396d067fbfddb452d772bc0bf74300960c03103aae93493f0ae [2024-11-24 01:50:55,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:50:55,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:50:55,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:50:55,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:50:55,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:50:55,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-11-24 01:50:58,721 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/data/60fbc9d9b/35b3034a70244d1f97a299c5a92d087c/FLAG2652652d9 [2024-11-24 01:50:59,494 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:50:59,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-11-24 01:50:59,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/data/60fbc9d9b/35b3034a70244d1f97a299c5a92d087c/FLAG2652652d9 [2024-11-24 01:50:59,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/data/60fbc9d9b/35b3034a70244d1f97a299c5a92d087c [2024-11-24 01:50:59,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:50:59,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:50:59,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:50:59,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:50:59,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:50:59,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:59" (1/1) ... [2024-11-24 01:50:59,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a27154f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:50:59, skipping insertion in model container [2024-11-24 01:50:59,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:50:59" (1/1) ... [2024-11-24 01:50:59,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:51:02,418 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377234,377247] [2024-11-24 01:51:02,423 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377400,377413] [2024-11-24 01:51:02,424 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377564,377577] [2024-11-24 01:51:02,424 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377729,377742] [2024-11-24 01:51:02,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:02,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:51:02,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7955] [2024-11-24 01:51:03,280 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377234,377247] [2024-11-24 01:51:03,280 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377400,377413] [2024-11-24 01:51:03,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377564,377577] [2024-11-24 01:51:03,283 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_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i[377729,377742] [2024-11-24 01:51:03,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:03,508 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:51:03,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03 WrapperNode [2024-11-24 01:51:03,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:03,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:03,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:51:03,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:51:03,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:06,108 INFO L138 Inliner]: procedures = 377, calls = 5805, calls flagged for inlining = 220, calls inlined = 198, statements flattened = 11243 [2024-11-24 01:51:06,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:06,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:51:06,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:51:06,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:51:06,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:06,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:06,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:09,830 INFO L175 MemorySlicer]: Split 4714 memory accesses to 23 slices as follows [1, 1, 2, 19, 6, 2, 21, 1, 2126, 8, 53, 823, 878, 679, 6, 9, 6, 3, 8, 33, 2, 21, 6]. 45 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [1, 0, 2, 19, 6, 0, 0, 1, 66, 8, 0, 0, 0, 0, 0, 0, 6, 0, 8, 0, 2, 0, 6]. The 2750 writes are split as follows [0, 0, 0, 0, 0, 0, 18, 0, 1763, 0, 44, 302, 307, 259, 5, 1, 0, 3, 0, 30, 0, 18, 0]. [2024-11-24 01:51:09,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:09,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:51:12,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:51:12,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:51:12,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:51:12,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:12,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:12,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:51:12,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c43f538-d9b9-4695-ab56-6d6efd8f84c1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:51:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:51:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:51:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:51:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-11-24 01:51:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-24 01:51:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-24 01:51:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-24 01:51:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-11-24 01:51:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-11-24 01:51:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-11-24 01:51:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-11-24 01:51:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_reset_ac97 [2024-11-24 01:51:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_reset_ac97 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-24 01:51:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2024-11-24 01:51:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2024-11-24 01:51:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_poll [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:51:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:51:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:51:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:51:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:51:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:51:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-11-24 01:51:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-11-24 01:51:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2024-11-24 01:51:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_mmap [2024-11-24 01:51:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure start_streaming [2024-11-24 01:51:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure start_streaming [2024-11-24 01:51:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:51:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:51:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_v4l_lock_of_stk1160 [2024-11-24 01:51:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_v4l_lock_of_stk1160 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_is_busy [2024-11-24 01:51:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_is_busy [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_clear_queue [2024-11-24 01:51:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_clear_queue [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_cancel_isoc [2024-11-24 01:51:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_cancel_isoc [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-11-24 01:51:12,341 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:51:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-24 01:51:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-24 01:51:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:51:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:51:12,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-24 01:51:12,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-24 01:51:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-24 01:51:12,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-24 01:51:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_select_input [2024-11-24 01:51:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_select_input [2024-11-24 01:51:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-24 01:51:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-24 01:51:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:51:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:51:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-11-24 01:51:12,345 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-11-24 01:51:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_free_isoc [2024-11-24 01:51:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_free_isoc [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_v4l_lock_of_stk1160 [2024-11-24 01:51:12,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_v4l_lock_of_stk1160 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:51:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:51:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:51:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-11-24 01:51:12,348 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-11-24 01:51:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:51:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-24 01:51:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:51:12,349 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:51:12,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:51:12,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:51:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_write_reg [2024-11-24 01:51:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_write_reg [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-24 01:51:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-24 01:51:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-24 01:51:12,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_queue_lock_of_stk1160 [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_queue_lock_of_stk1160 [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure stop_streaming [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_streaming [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_i2c_busy_wait [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_i2c_busy_wait [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_probe [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_probe [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 01:51:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2024-11-24 01:51:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-24 01:51:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2024-11-24 01:51:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2024-11-24 01:51:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-24 01:51:12,353 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:51:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:51:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 01:51:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 01:51:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 01:51:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 01:51:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 01:51:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 01:51:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 01:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:51:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 01:51:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 01:51:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 01:51:12,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_read_reg [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_read_reg [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_v4l_lock_of_stk1160 [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_v4l_lock_of_stk1160 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2024-11-24 01:51:12,360 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:51:12,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:51:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:51:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:51:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:51:12,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 01:51:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_set_std [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_set_std [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stk1160_usb_driver_exit_7_2 [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stk1160_usb_driver_exit_7_2 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_start_streaming [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_start_streaming [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_i2c_unregister [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_i2c_unregister [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:51:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:51:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_uninit_isoc [2024-11-24 01:51:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_uninit_isoc [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2024-11-24 01:51:12,366 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2024-11-24 01:51:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_release [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_release [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-24 01:51:12,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:51:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:51:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:51:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:51:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:51:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:51:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_disconnect [2024-11-24 01:51:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_disconnect [2024-11-24 01:51:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:51:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:51:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:51:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:51:13,924 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:51:13,928 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:51:14,015 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:52:22,414 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:52:23,698 INFO L? ?]: Removed 2593 outVars from TransFormulas that were not future-live. [2024-11-24 01:52:23,699 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:52:23,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:52:23,739 INFO L312 CfgBuilder]: Removed 28 assume(true) statements. [2024-11-24 01:52:23,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:52:23 BoogieIcfgContainer [2024-11-24 01:52:23,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:52:23,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:52:23,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:52:23,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:52:23,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:50:59" (1/3) ... [2024-11-24 01:52:23,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c329a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:52:23, skipping insertion in model container [2024-11-24 01:52:23,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (2/3) ... [2024-11-24 01:52:23,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c329a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:52:23, skipping insertion in model container [2024-11-24 01:52:23,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:52:23" (3/3) ... [2024-11-24 01:52:23,749 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-11-24 01:52:23,764 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:52:23,767 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i that has 126 procedures, 1869 locations, 1 initial locations, 51 loop locations, and 3 error locations. [2024-11-24 01:52:23,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:52:23,896 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;@46e79efb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:52:23,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:52:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 1673 states, 1199 states have (on average 1.2785654712260217) internal successors, (1533), 1209 states have internal predecessors, (1533), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (382), 381 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-24 01:52:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-24 01:52:23,952 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:52:23,953 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:52:23,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:52:23,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:52:23,961 INFO L85 PathProgramCache]: Analyzing trace with hash -576082959, now seen corresponding path program 1 times [2024-11-24 01:52:23,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:52:23,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317242166] [2024-11-24 01:52:23,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:52:23,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:53:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:53:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-24 01:53:45,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:53:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317242166] [2024-11-24 01:53:45,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317242166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:53:45,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:53:45,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:53:45,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521820617] [2024-11-24 01:53:45,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:53:45,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:53:45,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:53:45,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:53:45,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:53:45,719 INFO L87 Difference]: Start difference. First operand has 1673 states, 1199 states have (on average 1.2785654712260217) internal successors, (1533), 1209 states have internal predecessors, (1533), 390 states have call successors, (390), 82 states have call predecessors, (390), 81 states have return successors, (382), 381 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:53:50,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:53:52,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:53:52,028 INFO L93 Difference]: Finished difference Result 4785 states and 6683 transitions. [2024-11-24 01:53:52,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:53:52,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 340 [2024-11-24 01:53:52,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:53:52,081 INFO L225 Difference]: With dead ends: 4785 [2024-11-24 01:53:52,081 INFO L226 Difference]: Without dead ends: 3161 [2024-11-24 01:53:52,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:53:52,105 INFO L435 NwaCegarLoop]: 2305 mSDtfsCounter, 2089 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 4531 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:53:52,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 4531 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-24 01:53:52,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2024-11-24 01:53:52,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 3157. [2024-11-24 01:53:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3157 states, 2291 states have (on average 1.274552597119162) internal successors, (2920), 2310 states have internal predecessors, (2920), 705 states have call successors, (705), 159 states have call predecessors, (705), 158 states have return successors, (701), 699 states have call predecessors, (701), 701 states have call successors, (701) [2024-11-24 01:53:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 4326 transitions. [2024-11-24 01:53:52,461 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 4326 transitions. Word has length 340 [2024-11-24 01:53:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:53:52,467 INFO L471 AbstractCegarLoop]: Abstraction has 3157 states and 4326 transitions. [2024-11-24 01:53:52,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:53:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 4326 transitions. [2024-11-24 01:53:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-24 01:53:52,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:53:52,483 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:53:52,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:53:52,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:53:52,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:53:52,485 INFO L85 PathProgramCache]: Analyzing trace with hash 525202150, now seen corresponding path program 1 times [2024-11-24 01:53:52,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:53:52,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871659065] [2024-11-24 01:53:52,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:53:52,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:55:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:55:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-24 01:55:14,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:55:14,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871659065] [2024-11-24 01:55:14,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871659065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:55:14,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:55:14,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:55:14,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537568292] [2024-11-24 01:55:14,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:55:14,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:55:14,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:55:14,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:55:14,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:55:14,132 INFO L87 Difference]: Start difference. First operand 3157 states and 4326 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:55:18,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:55:20,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:55:20,748 INFO L93 Difference]: Finished difference Result 9093 states and 12460 transitions. [2024-11-24 01:55:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:55:20,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 346 [2024-11-24 01:55:20,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:55:20,803 INFO L225 Difference]: With dead ends: 9093 [2024-11-24 01:55:20,803 INFO L226 Difference]: Without dead ends: 5997 [2024-11-24 01:55:20,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:55:20,822 INFO L435 NwaCegarLoop]: 2483 mSDtfsCounter, 1989 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:55:20,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 4711 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-24 01:55:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5997 states. [2024-11-24 01:55:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5997 to 5973. [2024-11-24 01:55:21,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5973 states, 4365 states have (on average 1.2774341351660938) internal successors, (5576), 4405 states have internal predecessors, (5576), 1300 states have call successors, (1300), 306 states have call predecessors, (1300), 305 states have return successors, (1296), 1285 states have call predecessors, (1296), 1296 states have call successors, (1296) [2024-11-24 01:55:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5973 states to 5973 states and 8172 transitions. [2024-11-24 01:55:21,200 INFO L78 Accepts]: Start accepts. Automaton has 5973 states and 8172 transitions. Word has length 346 [2024-11-24 01:55:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:55:21,202 INFO L471 AbstractCegarLoop]: Abstraction has 5973 states and 8172 transitions. [2024-11-24 01:55:21,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:55:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5973 states and 8172 transitions. [2024-11-24 01:55:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-24 01:55:21,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:55:21,217 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:55:21,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:55:21,217 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:55:21,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:55:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash 2136668583, now seen corresponding path program 1 times [2024-11-24 01:55:21,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:55:21,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734800068] [2024-11-24 01:55:21,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:55:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:56:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:56:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-11-24 01:56:47,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:56:47,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734800068] [2024-11-24 01:56:47,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734800068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:56:47,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:56:47,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:56:47,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568662569] [2024-11-24 01:56:47,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:56:47,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:56:47,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:56:47,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:56:47,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:56:47,562 INFO L87 Difference]: Start difference. First operand 5973 states and 8172 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:56:51,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:56:52,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:56:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:56:54,208 INFO L93 Difference]: Finished difference Result 14525 states and 19854 transitions. [2024-11-24 01:56:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:56:54,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 344 [2024-11-24 01:56:54,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:56:54,289 INFO L225 Difference]: With dead ends: 14525 [2024-11-24 01:56:54,289 INFO L226 Difference]: Without dead ends: 8613 [2024-11-24 01:56:54,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:56:54,321 INFO L435 NwaCegarLoop]: 2464 mSDtfsCounter, 2047 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 4699 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:56:54,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 4699 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-24 01:56:54,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8613 states. [2024-11-24 01:56:54,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8613 to 8589. [2024-11-24 01:56:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8589 states, 6294 states have (on average 1.276771528439784) internal successors, (8036), 6350 states have internal predecessors, (8036), 1846 states have call successors, (1846), 447 states have call predecessors, (1846), 446 states have return successors, (1842), 1821 states have call predecessors, (1842), 1842 states have call successors, (1842) [2024-11-24 01:56:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8589 states to 8589 states and 11724 transitions. [2024-11-24 01:56:55,064 INFO L78 Accepts]: Start accepts. Automaton has 8589 states and 11724 transitions. Word has length 344 [2024-11-24 01:56:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:56:55,066 INFO L471 AbstractCegarLoop]: Abstraction has 8589 states and 11724 transitions. [2024-11-24 01:56:55,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-24 01:56:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 8589 states and 11724 transitions. [2024-11-24 01:56:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-11-24 01:56:55,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:56:55,082 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 28, 28, 28, 28, 28, 28, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:56:55,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:56:55,082 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:56:55,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:56:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2140800943, now seen corresponding path program 1 times [2024-11-24 01:56:55,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:56:55,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008939873] [2024-11-24 01:56:55,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:56:55,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:58:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:58:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2024-11-24 01:58:19,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:58:19,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008939873] [2024-11-24 01:58:19,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008939873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:58:19,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:58:19,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:58:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112602747] [2024-11-24 01:58:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:58:19,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:58:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:58:19,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:58:19,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:58:19,574 INFO L87 Difference]: Start difference. First operand 8589 states and 11724 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 01:58:23,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:58:25,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:58:25,265 INFO L93 Difference]: Finished difference Result 21533 states and 29393 transitions. [2024-11-24 01:58:25,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:58:25,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 368 [2024-11-24 01:58:25,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:58:25,380 INFO L225 Difference]: With dead ends: 21533 [2024-11-24 01:58:25,380 INFO L226 Difference]: Without dead ends: 13005 [2024-11-24 01:58:25,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:58:25,420 INFO L435 NwaCegarLoop]: 2897 mSDtfsCounter, 2156 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2156 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:58:25,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2156 Valid, 5141 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 01:58:25,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2024-11-24 01:58:25,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 12979. [2024-11-24 01:58:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12979 states, 9507 states have (on average 1.2769538234984747) internal successors, (12140), 9599 states have internal predecessors, (12140), 2789 states have call successors, (2789), 685 states have call predecessors, (2789), 680 states have return successors, (2785), 2740 states have call predecessors, (2785), 2785 states have call successors, (2785) [2024-11-24 01:58:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12979 states to 12979 states and 17714 transitions. [2024-11-24 01:58:26,040 INFO L78 Accepts]: Start accepts. Automaton has 12979 states and 17714 transitions. Word has length 368 [2024-11-24 01:58:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:58:26,041 INFO L471 AbstractCegarLoop]: Abstraction has 12979 states and 17714 transitions. [2024-11-24 01:58:26,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-24 01:58:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12979 states and 17714 transitions. [2024-11-24 01:58:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-24 01:58:26,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:58:26,053 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:58:26,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:58:26,054 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:58:26,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:58:26,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2006393638, now seen corresponding path program 1 times [2024-11-24 01:58:26,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:58:26,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202473791] [2024-11-24 01:58:26,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:58:26,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:59:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:59:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3794 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2024-11-24 01:59:48,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:59:48,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202473791] [2024-11-24 01:59:48,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202473791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:59:48,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:59:48,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:59:48,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147803656] [2024-11-24 01:59:48,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:59:48,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:59:48,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:59:48,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:59:48,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:59:48,633 INFO L87 Difference]: Start difference. First operand 12979 states and 17714 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 01:59:53,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:59:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:59:55,283 INFO L93 Difference]: Finished difference Result 35727 states and 48799 transitions. [2024-11-24 01:59:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:59:55,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 401 [2024-11-24 01:59:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:59:55,411 INFO L225 Difference]: With dead ends: 35727 [2024-11-24 01:59:55,411 INFO L226 Difference]: Without dead ends: 24047 [2024-11-24 01:59:55,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:59:55,464 INFO L435 NwaCegarLoop]: 4307 mSDtfsCounter, 2048 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 6539 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:59:55,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 6539 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-24 01:59:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2024-11-24 01:59:56,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 24043. [2024-11-24 01:59:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24043 states, 17661 states have (on average 1.277277617348961) internal successors, (22558), 17803 states have internal predecessors, (22558), 5113 states have call successors, (5113), 1271 states have call predecessors, (5113), 1266 states have return successors, (5109), 5056 states have call predecessors, (5109), 5109 states have call successors, (5109) [2024-11-24 01:59:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24043 states to 24043 states and 32780 transitions. [2024-11-24 01:59:56,476 INFO L78 Accepts]: Start accepts. Automaton has 24043 states and 32780 transitions. Word has length 401 [2024-11-24 01:59:56,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:59:56,478 INFO L471 AbstractCegarLoop]: Abstraction has 24043 states and 32780 transitions. [2024-11-24 01:59:56,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 01:59:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 24043 states and 32780 transitions. [2024-11-24 01:59:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-11-24 01:59:56,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:59:56,492 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:59:56,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:59:56,492 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:59:56,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:59:56,493 INFO L85 PathProgramCache]: Analyzing trace with hash -902370264, now seen corresponding path program 1 times [2024-11-24 01:59:56,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:59:56,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044596939] [2024-11-24 01:59:56,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:59:56,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:01:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:01:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3794 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3794 trivial. 0 not checked. [2024-11-24 02:01:27,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:01:27,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044596939] [2024-11-24 02:01:27,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044596939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:01:27,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:01:27,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:01:27,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257930463] [2024-11-24 02:01:27,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:01:27,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:01:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:01:27,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:01:27,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:01:27,757 INFO L87 Difference]: Start difference. First operand 24043 states and 32780 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 02:01:29,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:01:29,698 INFO L93 Difference]: Finished difference Result 24049 states and 32785 transitions. [2024-11-24 02:01:29,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:01:29,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 401 [2024-11-24 02:01:29,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:01:29,848 INFO L225 Difference]: With dead ends: 24049 [2024-11-24 02:01:29,848 INFO L226 Difference]: Without dead ends: 24047 [2024-11-24 02:01:29,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:01:29,867 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 2177 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 6796 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:01:29,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 6796 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:01:29,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2024-11-24 02:01:30,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 24047. [2024-11-24 02:01:31,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24047 states, 17664 states have (on average 1.2772305253623188) internal successors, (22561), 17806 states have internal predecessors, (22561), 5113 states have call successors, (5113), 1272 states have call predecessors, (5113), 1267 states have return successors, (5109), 5056 states have call predecessors, (5109), 5109 states have call successors, (5109) [2024-11-24 02:01:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24047 states to 24047 states and 32783 transitions. [2024-11-24 02:01:31,122 INFO L78 Accepts]: Start accepts. Automaton has 24047 states and 32783 transitions. Word has length 401 [2024-11-24 02:01:31,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:01:31,124 INFO L471 AbstractCegarLoop]: Abstraction has 24047 states and 32783 transitions. [2024-11-24 02:01:31,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 02:01:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 24047 states and 32783 transitions. [2024-11-24 02:01:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-24 02:01:31,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:01:31,137 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:01:31,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:01:31,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 02:01:31,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:01:31,138 INFO L85 PathProgramCache]: Analyzing trace with hash -317157880, now seen corresponding path program 1 times [2024-11-24 02:01:31,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:01:31,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185475968] [2024-11-24 02:01:31,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:01:31,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3794 trivial. 0 not checked. [2024-11-24 02:02:56,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:56,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185475968] [2024-11-24 02:02:56,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185475968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:56,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:56,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:56,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446579718] [2024-11-24 02:02:56,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:56,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:56,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:56,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:56,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:56,048 INFO L87 Difference]: Start difference. First operand 24047 states and 32783 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-24 02:02:57,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:57,642 INFO L93 Difference]: Finished difference Result 24053 states and 32788 transitions. [2024-11-24 02:02:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:57,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 406 [2024-11-24 02:02:57,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:57,777 INFO L225 Difference]: With dead ends: 24053 [2024-11-24 02:02:57,778 INFO L226 Difference]: Without dead ends: 24051 [2024-11-24 02:02:57,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:57,797 INFO L435 NwaCegarLoop]: 2271 mSDtfsCounter, 2173 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 6800 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:57,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 6800 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 02:02:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24051 states. [2024-11-24 02:02:58,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24051 to 24051. [2024-11-24 02:02:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24051 states, 17667 states have (on average 1.2771834493688798) internal successors, (22564), 17809 states have internal predecessors, (22564), 5113 states have call successors, (5113), 1273 states have call predecessors, (5113), 1268 states have return successors, (5109), 5056 states have call predecessors, (5109), 5109 states have call successors, (5109) [2024-11-24 02:02:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24051 states to 24051 states and 32786 transitions. [2024-11-24 02:02:58,981 INFO L78 Accepts]: Start accepts. Automaton has 24051 states and 32786 transitions. Word has length 406 [2024-11-24 02:02:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:58,983 INFO L471 AbstractCegarLoop]: Abstraction has 24051 states and 32786 transitions. [2024-11-24 02:02:58,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-24 02:02:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24051 states and 32786 transitions. [2024-11-24 02:02:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2024-11-24 02:02:58,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:58,992 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:58,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:02:58,992 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 02:02:58,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1458257449, now seen corresponding path program 1 times [2024-11-24 02:02:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121699121] [2024-11-24 02:02:58,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:21,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3810 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3800 trivial. 0 not checked. [2024-11-24 02:04:21,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:21,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121699121] [2024-11-24 02:04:21,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121699121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:21,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:21,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:04:21,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079223060] [2024-11-24 02:04:21,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:21,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:04:21,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:21,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:04:21,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:21,777 INFO L87 Difference]: Start difference. First operand 24051 states and 32786 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-24 02:04:25,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:28,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:28,408 INFO L93 Difference]: Finished difference Result 57900 states and 78983 transitions. [2024-11-24 02:04:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:04:28,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 419 [2024-11-24 02:04:28,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:28,596 INFO L225 Difference]: With dead ends: 57900 [2024-11-24 02:04:28,596 INFO L226 Difference]: Without dead ends: 35148 [2024-11-24 02:04:28,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:28,678 INFO L435 NwaCegarLoop]: 4317 mSDtfsCounter, 2072 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2072 SdHoareTripleChecker+Valid, 6551 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:28,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2072 Valid, 6551 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-24 02:04:28,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35148 states. [2024-11-24 02:04:29,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35148 to 35123. [2024-11-24 02:04:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35123 states, 25829 states have (on average 1.2772465058655) internal successors, (32990), 26021 states have internal predecessors, (32990), 7437 states have call successors, (7437), 1859 states have call predecessors, (7437), 1854 states have return successors, (7433), 7372 states have call predecessors, (7433), 7433 states have call successors, (7433) [2024-11-24 02:04:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35123 states to 35123 states and 47860 transitions. [2024-11-24 02:04:30,203 INFO L78 Accepts]: Start accepts. Automaton has 35123 states and 47860 transitions. Word has length 419 [2024-11-24 02:04:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:30,204 INFO L471 AbstractCegarLoop]: Abstraction has 35123 states and 47860 transitions. [2024-11-24 02:04:30,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-24 02:04:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 35123 states and 47860 transitions. [2024-11-24 02:04:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-24 02:04:30,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:30,214 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:30,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:04:30,214 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 02:04:30,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:30,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1452396568, now seen corresponding path program 1 times [2024-11-24 02:04:30,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:30,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395706258] [2024-11-24 02:04:30,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms