./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 193fa6b4f086a396d067fbfddb452d772bc0bf74300960c03103aae93493f0ae --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:38:08,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:38:08,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:38:08,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:38:08,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:38:08,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:38:08,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:38:08,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:38:08,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:38:08,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:38:08,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:38:08,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:38:08,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:38:08,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:38:08,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:38:08,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:38:08,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:38:08,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:38:08,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:38:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:38:08,512 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:38:08,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:38:08,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:38:08,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:38:08,512 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 193fa6b4f086a396d067fbfddb452d772bc0bf74300960c03103aae93493f0ae [2024-12-02 11:38:08,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:38:08,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:38:08,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:38:08,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:38:08,779 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:38:08,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-12-02 11:38:11,609 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/data/a2031f0dc/486337412e754a938e0a17f4e866207a/FLAG43d85b454 [2024-12-02 11:38:12,066 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:38:12,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-12-02 11:38:12,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/data/a2031f0dc/486337412e754a938e0a17f4e866207a/FLAG43d85b454 [2024-12-02 11:38:12,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/data/a2031f0dc/486337412e754a938e0a17f4e866207a [2024-12-02 11:38:12,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:38:12,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:38:12,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:38:12,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:38:12,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:38:12,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:12" (1/1) ... [2024-12-02 11:38:12,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d66e291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:12, skipping insertion in model container [2024-12-02 11:38:12,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:38:12" (1/1) ... [2024-12-02 11:38:12,209 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:38:14,489 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:14,493 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:14,494 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:14,495 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:14,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:38:14,602 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:38:14,805 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] [2024-12-02 11:38:15,086 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:15,086 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:15,087 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:15,087 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_dc0568ce-9f04-43a1-a46a-cbf001188bb3/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] [2024-12-02 11:38:15,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:38:15,227 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:38:15,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15 WrapperNode [2024-12-02 11:38:15,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:38:15,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:38:15,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:38:15,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:38:15,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:15,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:16,658 INFO L138 Inliner]: procedures = 377, calls = 5805, calls flagged for inlining = 220, calls inlined = 198, statements flattened = 11243 [2024-12-02 11:38:16,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:38:16,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:38:16,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:38:16,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:38:16,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:16,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:17,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:19,719 INFO L175 MemorySlicer]: Split 4714 memory accesses to 23 slices as follows [1, 2, 19, 6, 53, 8, 2, 823, 1, 878, 21, 6, 679, 9, 6, 8, 1, 33, 6, 21, 2, 3, 2126]. 45 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [1, 2, 19, 6, 0, 8, 0, 0, 0, 0, 0, 6, 0, 0, 6, 8, 1, 0, 0, 0, 2, 0, 66]. The 2750 writes are split as follows [0, 0, 0, 0, 44, 0, 0, 302, 0, 307, 18, 0, 259, 1, 0, 0, 0, 30, 5, 18, 0, 3, 1763]. [2024-12-02 11:38:19,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:19,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:38:21,402 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:38:21,402 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:38:21,402 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:38:21,403 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (1/1) ... [2024-12-02 11:38:21,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:38:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:38:21,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:38:21,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc0568ce-9f04-43a1-a46a-cbf001188bb3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:38:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 11:38:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2024-12-02 11:38:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#22 [2024-12-02 11:38:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 11:38:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 11:38:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 11:38:21,469 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#22 [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_reset_ac97 [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_reset_ac97 [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2024-12-02 11:38:21,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_poll [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:38:21,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:38:21,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 11:38:21,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:38:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 11:38:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 11:38:21,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2024-12-02 11:38:21,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2024-12-02 11:38:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2024-12-02 11:38:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_mmap [2024-12-02 11:38:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure start_streaming [2024-12-02 11:38:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure start_streaming [2024-12-02 11:38:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:38:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:38:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_v4l_lock_of_stk1160 [2024-12-02 11:38:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_v4l_lock_of_stk1160 [2024-12-02 11:38:21,474 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_is_busy [2024-12-02 11:38:21,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_is_busy [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_clear_queue [2024-12-02 11:38:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_clear_queue [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_cancel_isoc [2024-12-02 11:38:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_cancel_isoc [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-12-02 11:38:21,475 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 11:38:21,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 11:38:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 11:38:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 11:38:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_select_input [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_select_input [2024-12-02 11:38:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 11:38:21,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 11:38:21,477 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 11:38:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-12-02 11:38:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_free_isoc [2024-12-02 11:38:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_free_isoc [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_v4l_lock_of_stk1160 [2024-12-02 11:38:21,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_v4l_lock_of_stk1160 [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:38:21,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 11:38:21,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 11:38:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-12-02 11:38:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 11:38:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 11:38:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 11:38:21,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:38:21,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 11:38:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:38:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:38:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_write_reg [2024-12-02 11:38:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_write_reg [2024-12-02 11:38:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 11:38:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 11:38:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 11:38:21,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 11:38:21,482 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_vb_queue_lock_of_stk1160 [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_vb_queue_lock_of_stk1160 [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure stop_streaming [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_streaming [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_i2c_busy_wait [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_i2c_busy_wait [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_probe [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_probe [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 11:38:21,483 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2024-12-02 11:38:21,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 11:38:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2024-12-02 11:38:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2024-12-02 11:38:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 11:38:21,484 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:38:21,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 11:38:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 11:38:21,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:38:21,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 11:38:21,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 11:38:21,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2024-12-02 11:38:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2024-12-02 11:38:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 11:38:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 11:38:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_read_reg [2024-12-02 11:38:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_read_reg [2024-12-02 11:38:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 11:38:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 11:38:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_v4l_lock_of_stk1160 [2024-12-02 11:38:21,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_v4l_lock_of_stk1160 [2024-12-02 11:38:21,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:38:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 11:38:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fh_open [2024-12-02 11:38:21,488 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fh_open [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 11:38:21,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_set_std [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_set_std [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stk1160_usb_driver_exit_7_2 [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stk1160_usb_driver_exit_7_2 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_start_streaming [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_start_streaming [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_i2c_unregister [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_i2c_unregister [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 11:38:21,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:38:21,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 11:38:21,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 11:38:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_uninit_isoc [2024-12-02 11:38:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_uninit_isoc [2024-12-02 11:38:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2024-12-02 11:38:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2024-12-02 11:38:21,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:38:21,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_log_status [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_log_status [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_release [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_fop_release [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 11:38:21,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:38:21,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure stk1160_disconnect [2024-12-02 11:38:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure stk1160_disconnect [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 11:38:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 11:38:21,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:38:21,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:38:22,558 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:38:22,561 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:38:22,612 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:39:27,664 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 11:39:28,859 INFO L? ?]: Removed 2593 outVars from TransFormulas that were not future-live. [2024-12-02 11:39:28,860 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:39:28,900 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:39:28,900 INFO L312 CfgBuilder]: Removed 28 assume(true) statements. [2024-12-02 11:39:28,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:28 BoogieIcfgContainer [2024-12-02 11:39:28,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:39:28,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:39:28,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:39:28,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:39:28,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:38:12" (1/3) ... [2024-12-02 11:39:28,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4eda58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:39:28, skipping insertion in model container [2024-12-02 11:39:28,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:38:15" (2/3) ... [2024-12-02 11:39:28,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4eda58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:39:28, skipping insertion in model container [2024-12-02 11:39:28,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:39:28" (3/3) ... [2024-12-02 11:39:28,910 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-stk1160-stk1160.cil.i [2024-12-02 11:39:28,927 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:39:28,930 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. [2024-12-02 11:39:29,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:39:29,040 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;@2df20c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:39:29,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 11:39:29,049 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) [2024-12-02 11:39:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-12-02 11:39:29,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:39:29,081 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] [2024-12-02 11:39:29,082 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)] === [2024-12-02 11:39:29,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:39:29,087 INFO L85 PathProgramCache]: Analyzing trace with hash -576082959, now seen corresponding path program 1 times [2024-12-02 11:39:29,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:39:29,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116465116] [2024-12-02 11:39:29,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:39:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:40:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:40:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-12-02 11:40:58,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:40:58,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116465116] [2024-12-02 11:40:58,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116465116] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:40:58,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:40:58,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:40:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49525425] [2024-12-02 11:40:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:40:58,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:40:58,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:40:58,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:40:58,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:40:58,121 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) [2024-12-02 11:41:02,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:41:04,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:41:04,369 INFO L93 Difference]: Finished difference Result 4785 states and 6683 transitions. [2024-12-02 11:41:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:41:04,372 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 [2024-12-02 11:41:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:41:04,407 INFO L225 Difference]: With dead ends: 4785 [2024-12-02 11:41:04,407 INFO L226 Difference]: Without dead ends: 3161 [2024-12-02 11:41:04,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:41:04,425 INFO L435 NwaCegarLoop]: 2305 mSDtfsCounter, 2089 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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 [2024-12-02 11:41:04,426 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] [2024-12-02 11:41:04,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2024-12-02 11:41:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 3157. [2024-12-02 11:41:04,636 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) [2024-12-02 11:41:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 3157 states and 4326 transitions. [2024-12-02 11:41:04,671 INFO L78 Accepts]: Start accepts. Automaton has 3157 states and 4326 transitions. Word has length 340 [2024-12-02 11:41:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:41:04,672 INFO L471 AbstractCegarLoop]: Abstraction has 3157 states and 4326 transitions. [2024-12-02 11:41:04,673 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) [2024-12-02 11:41:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3157 states and 4326 transitions. [2024-12-02 11:41:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-12-02 11:41:04,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:41:04,683 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] [2024-12-02 11:41:04,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:41:04,684 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)] === [2024-12-02 11:41:04,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:41:04,685 INFO L85 PathProgramCache]: Analyzing trace with hash 525202150, now seen corresponding path program 1 times [2024-12-02 11:41:04,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:41:04,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146821577] [2024-12-02 11:41:04,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:41:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:42:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:42:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-12-02 11:42:35,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:42:35,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146821577] [2024-12-02 11:42:35,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146821577] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:42:35,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:42:35,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:42:35,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306128211] [2024-12-02 11:42:35,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:42:35,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:42:35,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:42:35,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:42:35,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:35,524 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) [2024-12-02 11:42:39,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:42:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:42:41,933 INFO L93 Difference]: Finished difference Result 9093 states and 12460 transitions. [2024-12-02 11:42:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:42:41,934 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 [2024-12-02 11:42:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:42:41,983 INFO L225 Difference]: With dead ends: 9093 [2024-12-02 11:42:41,983 INFO L226 Difference]: Without dead ends: 5997 [2024-12-02 11:42:42,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:42:42,002 INFO L435 NwaCegarLoop]: 2483 mSDtfsCounter, 1989 mSDsluCounter, 2228 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 6.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:42:42,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 4711 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-12-02 11:42:42,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5997 states. [2024-12-02 11:42:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5997 to 5973. [2024-12-02 11:42:42,328 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) [2024-12-02 11:42:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5973 states to 5973 states and 8172 transitions. [2024-12-02 11:42:42,375 INFO L78 Accepts]: Start accepts. Automaton has 5973 states and 8172 transitions. Word has length 346 [2024-12-02 11:42:42,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:42:42,377 INFO L471 AbstractCegarLoop]: Abstraction has 5973 states and 8172 transitions. [2024-12-02 11:42:42,377 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) [2024-12-02 11:42:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 5973 states and 8172 transitions. [2024-12-02 11:42:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-12-02 11:42:42,385 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:42:42,386 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] [2024-12-02 11:42:42,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:42:42,386 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)] === [2024-12-02 11:42:42,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:42:42,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2136668583, now seen corresponding path program 1 times [2024-12-02 11:42:42,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:42:42,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145980642] [2024-12-02 11:42:42,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:42:42,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:44:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2024-12-02 11:44:10,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:44:10,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145980642] [2024-12-02 11:44:10,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145980642] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:10,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:10,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:44:10,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258806741] [2024-12-02 11:44:10,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:10,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:44:10,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:44:10,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:44:10,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:44:10,413 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) [2024-12-02 11:44:14,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:44:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:16,335 INFO L93 Difference]: Finished difference Result 14525 states and 19854 transitions. [2024-12-02 11:44:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:44:16,336 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 [2024-12-02 11:44:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:16,395 INFO L225 Difference]: With dead ends: 14525 [2024-12-02 11:44:16,395 INFO L226 Difference]: Without dead ends: 8613 [2024-12-02 11:44:16,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:44:16,421 INFO L435 NwaCegarLoop]: 2464 mSDtfsCounter, 2047 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:44:16,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 4699 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 11:44:16,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8613 states. [2024-12-02 11:44:16,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8613 to 8589. [2024-12-02 11:44:16,813 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) [2024-12-02 11:44:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8589 states to 8589 states and 11724 transitions. [2024-12-02 11:44:16,861 INFO L78 Accepts]: Start accepts. Automaton has 8589 states and 11724 transitions. Word has length 344 [2024-12-02 11:44:16,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:16,862 INFO L471 AbstractCegarLoop]: Abstraction has 8589 states and 11724 transitions. [2024-12-02 11:44:16,863 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) [2024-12-02 11:44:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 8589 states and 11724 transitions. [2024-12-02 11:44:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2024-12-02 11:44:16,873 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:16,873 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] [2024-12-02 11:44:16,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:44:16,874 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)] === [2024-12-02 11:44:16,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:16,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2140800943, now seen corresponding path program 1 times [2024-12-02 11:44:16,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:44:16,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234426370] [2024-12-02 11:44:16,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:16,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:45:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:45:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2024-12-02 11:45:45,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:45:45,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234426370] [2024-12-02 11:45:45,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234426370] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:45:45,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:45:45,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:45:45,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385003370] [2024-12-02 11:45:45,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:45:45,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:45:45,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:45:45,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:45:45,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:45:45,583 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) [2024-12-02 11:45:49,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:45:51,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:45:51,128 INFO L93 Difference]: Finished difference Result 21533 states and 29393 transitions. [2024-12-02 11:45:51,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:45:51,128 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 [2024-12-02 11:45:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:45:51,211 INFO L225 Difference]: With dead ends: 21533 [2024-12-02 11:45:51,211 INFO L226 Difference]: Without dead ends: 13005 [2024-12-02 11:45:51,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:45:51,245 INFO L435 NwaCegarLoop]: 2897 mSDtfsCounter, 2156 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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 [2024-12-02 11:45:51,245 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] [2024-12-02 11:45:51,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2024-12-02 11:45:51,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 12979. [2024-12-02 11:45:51,840 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) [2024-12-02 11:45:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12979 states to 12979 states and 17714 transitions. [2024-12-02 11:45:51,913 INFO L78 Accepts]: Start accepts. Automaton has 12979 states and 17714 transitions. Word has length 368 [2024-12-02 11:45:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:45:51,914 INFO L471 AbstractCegarLoop]: Abstraction has 12979 states and 17714 transitions. [2024-12-02 11:45:51,915 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) [2024-12-02 11:45:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12979 states and 17714 transitions. [2024-12-02 11:45:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 11:45:51,927 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:45:51,928 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] [2024-12-02 11:45:51,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:45:51,928 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)] === [2024-12-02 11:45:51,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:45:51,929 INFO L85 PathProgramCache]: Analyzing trace with hash 2006393638, now seen corresponding path program 1 times [2024-12-02 11:45:51,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:45:51,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678782587] [2024-12-02 11:45:51,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:45:51,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:47:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:47:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3794 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3780 trivial. 0 not checked. [2024-12-02 11:47:19,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:47:19,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678782587] [2024-12-02 11:47:19,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678782587] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:47:19,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:47:19,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:47:19,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98096271] [2024-12-02 11:47:19,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:47:19,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:47:19,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:47:19,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:47:19,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:47:19,777 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) [2024-12-02 11:47:23,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:47:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:47:25,897 INFO L93 Difference]: Finished difference Result 35727 states and 48799 transitions. [2024-12-02 11:47:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:47:25,897 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 [2024-12-02 11:47:25,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:47:26,016 INFO L225 Difference]: With dead ends: 35727 [2024-12-02 11:47:26,016 INFO L226 Difference]: Without dead ends: 24047 [2024-12-02 11:47:26,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:47:26,068 INFO L435 NwaCegarLoop]: 4307 mSDtfsCounter, 2048 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 5.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:47:26,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 6539 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-02 11:47:26,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2024-12-02 11:47:26,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 24043. [2024-12-02 11:47:27,020 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) [2024-12-02 11:47:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24043 states to 24043 states and 32780 transitions. [2024-12-02 11:47:27,156 INFO L78 Accepts]: Start accepts. Automaton has 24043 states and 32780 transitions. Word has length 401 [2024-12-02 11:47:27,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:47:27,157 INFO L471 AbstractCegarLoop]: Abstraction has 24043 states and 32780 transitions. [2024-12-02 11:47:27,157 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) [2024-12-02 11:47:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24043 states and 32780 transitions. [2024-12-02 11:47:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 11:47:27,170 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:47:27,171 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] [2024-12-02 11:47:27,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:47:27,171 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)] === [2024-12-02 11:47:27,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:47:27,172 INFO L85 PathProgramCache]: Analyzing trace with hash -902370264, now seen corresponding path program 1 times [2024-12-02 11:47:27,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:47:27,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829200590] [2024-12-02 11:47:27,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:47:27,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:48:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:48:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3794 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3794 trivial. 0 not checked. [2024-12-02 11:48:53,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:48:53,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829200590] [2024-12-02 11:48:53,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829200590] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:48:53,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:48:53,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:48:53,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140787603] [2024-12-02 11:48:53,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:48:53,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:48:53,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:48:53,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:48:53,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:48:53,079 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) [2024-12-02 11:48:54,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:48:54,387 INFO L93 Difference]: Finished difference Result 24049 states and 32785 transitions. [2024-12-02 11:48:54,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:48:54,388 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 [2024-12-02 11:48:54,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:48:54,501 INFO L225 Difference]: With dead ends: 24049 [2024-12-02 11:48:54,501 INFO L226 Difference]: Without dead ends: 24047 [2024-12-02 11:48:54,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:48:54,519 INFO L435 NwaCegarLoop]: 2268 mSDtfsCounter, 2177 mSDsluCounter, 4528 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:48:54,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 6796 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 11:48:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2024-12-02 11:48:55,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 24047. [2024-12-02 11:48:55,331 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) [2024-12-02 11:48:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24047 states to 24047 states and 32783 transitions. [2024-12-02 11:48:55,407 INFO L78 Accepts]: Start accepts. Automaton has 24047 states and 32783 transitions. Word has length 401 [2024-12-02 11:48:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:48:55,408 INFO L471 AbstractCegarLoop]: Abstraction has 24047 states and 32783 transitions. [2024-12-02 11:48:55,408 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) [2024-12-02 11:48:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 24047 states and 32783 transitions. [2024-12-02 11:48:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-02 11:48:55,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:48:55,414 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] [2024-12-02 11:48:55,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:48:55,415 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)] === [2024-12-02 11:48:55,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:48:55,415 INFO L85 PathProgramCache]: Analyzing trace with hash -317157880, now seen corresponding path program 1 times [2024-12-02 11:48:55,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:48:55,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712286646] [2024-12-02 11:48:55,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:48:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:50:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:50:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3794 trivial. 0 not checked. [2024-12-02 11:50:15,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:50:15,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712286646] [2024-12-02 11:50:15,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712286646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:50:15,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:50:15,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:50:15,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135131325] [2024-12-02 11:50:15,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:50:15,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:50:15,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:50:15,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:50:15,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:50:15,827 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) [2024-12-02 11:50:17,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:50:17,178 INFO L93 Difference]: Finished difference Result 24053 states and 32788 transitions. [2024-12-02 11:50:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:50:17,178 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 [2024-12-02 11:50:17,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:50:17,270 INFO L225 Difference]: With dead ends: 24053 [2024-12-02 11:50:17,270 INFO L226 Difference]: Without dead ends: 24051 [2024-12-02 11:50:17,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:50:17,283 INFO L435 NwaCegarLoop]: 2271 mSDtfsCounter, 2173 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 11:50:17,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 6800 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 11:50:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24051 states. [2024-12-02 11:50:18,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24051 to 24051. [2024-12-02 11:50:18,057 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) [2024-12-02 11:50:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24051 states to 24051 states and 32786 transitions. [2024-12-02 11:50:18,144 INFO L78 Accepts]: Start accepts. Automaton has 24051 states and 32786 transitions. Word has length 406 [2024-12-02 11:50:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:50:18,145 INFO L471 AbstractCegarLoop]: Abstraction has 24051 states and 32786 transitions. [2024-12-02 11:50:18,145 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) [2024-12-02 11:50:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 24051 states and 32786 transitions. [2024-12-02 11:50:18,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2024-12-02 11:50:18,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:50:18,155 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 28, 28, 28, 28, 28, 28, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:50:18,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:50:18,156 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)] === [2024-12-02 11:50:18,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:50:18,156 INFO L85 PathProgramCache]: Analyzing trace with hash -235376862, now seen corresponding path program 1 times [2024-12-02 11:50:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:50:18,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003187453] [2024-12-02 11:50:18,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:50:18,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:51:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:51:42,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3800 trivial. 0 not checked. [2024-12-02 11:51:42,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:51:42,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003187453] [2024-12-02 11:51:42,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003187453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:51:42,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:51:42,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:51:42,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473140387] [2024-12-02 11:51:42,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:51:42,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:51:42,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:51:42,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:51:42,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:51:42,770 INFO L87 Difference]: Start difference. First operand 24051 states and 32786 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-12-02 11:51:46,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:51:49,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:51:49,289 INFO L93 Difference]: Finished difference Result 57900 states and 78983 transitions. [2024-12-02 11:51:49,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:51:49,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 418 [2024-12-02 11:51:49,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:51:49,404 INFO L225 Difference]: With dead ends: 57900 [2024-12-02 11:51:49,405 INFO L226 Difference]: Without dead ends: 35148 [2024-12-02 11:51:49,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:51:49,468 INFO L435 NwaCegarLoop]: 4317 mSDtfsCounter, 2073 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 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, 5.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:51:49,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 6551 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-02 11:51:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35148 states. [2024-12-02 11:51:50,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35148 to 35123. [2024-12-02 11:51:50,493 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) [2024-12-02 11:51:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35123 states to 35123 states and 47860 transitions. [2024-12-02 11:51:50,626 INFO L78 Accepts]: Start accepts. Automaton has 35123 states and 47860 transitions. Word has length 418 [2024-12-02 11:51:50,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:51:50,626 INFO L471 AbstractCegarLoop]: Abstraction has 35123 states and 47860 transitions. [2024-12-02 11:51:50,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-12-02 11:51:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 35123 states and 47860 transitions. [2024-12-02 11:51:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-12-02 11:51:50,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:51:50,632 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] [2024-12-02 11:51:50,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:51:50,632 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)] === [2024-12-02 11:51:50,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:51:50,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1452396568, now seen corresponding path program 1 times [2024-12-02 11:51:50,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:51:50,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139872230] [2024-12-02 11:51:50,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:51:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms