./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-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/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-radio-wl128x-fm_drv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/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 f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:16:15,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:16:15,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:16:15,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:16:15,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:16:15,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:16:15,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:16:15,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:16:15,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:16:15,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:16:15,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:16:15,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:16:15,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:16:15,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:16:15,125 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:16:15,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:16:15,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:16:15,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:16:15,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:16:15,126 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:16:15,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:16:15,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:16:15,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:16:15,127 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:16:15,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:16:15,128 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/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 -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2024-12-02 08:16:15,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:16:15,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:16:15,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:16:15,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:16:15,374 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:16:15,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 08:16:18,007 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/data/2a81dc655/4d66dfa60cb4461dadb08384e397dd91/FLAG1cb0d8bad [2024-12-02 08:16:18,437 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:16:18,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 08:16:18,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/data/2a81dc655/4d66dfa60cb4461dadb08384e397dd91/FLAG1cb0d8bad [2024-12-02 08:16:18,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/data/2a81dc655/4d66dfa60cb4461dadb08384e397dd91 [2024-12-02 08:16:18,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:16:18,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:16:18,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:16:18,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:16:18,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:16:18,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:18" (1/1) ... [2024-12-02 08:16:18,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618ab66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:18, skipping insertion in model container [2024-12-02 08:16:18,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:16:18" (1/1) ... [2024-12-02 08:16:18,664 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:16:20,502 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2024-12-02 08:16:20,504 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2024-12-02 08:16:20,505 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2024-12-02 08:16:20,505 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2024-12-02 08:16:20,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:16:20,559 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:16:20,629 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"); [4795] [2024-12-02 08:16:20,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4802] [2024-12-02 08:16:20,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4809] [2024-12-02 08:16:20,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4847] [2024-12-02 08:16:20,879 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2024-12-02 08:16:20,879 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2024-12-02 08:16:20,880 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2024-12-02 08:16:20,880 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_f0e8ec04-8f5d-4fde-ab50-2ce949174065/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2024-12-02 08:16:20,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:16:21,121 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:16:21,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21 WrapperNode [2024-12-02 08:16:21,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:16:21,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:16:21,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:16:21,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:16:21,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:21,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:21,338 INFO L138 Inliner]: procedures = 386, calls = 2561, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 5155 [2024-12-02 08:16:21,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:16:21,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:16:21,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:16:21,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:16:21,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:21,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:21,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,087 INFO L175 MemorySlicer]: Split 941 memory accesses to 19 slices as follows [2, 3, 0, 3, 2, 16, 2, 1, 2, 12, 2, 2, 2, 3, 8, 2, 4, 873, 2]. 93 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 1, 2, 8, 0, 0, 0, 3, 8, 0, 0, 22, 0]. The 664 writes are split as follows [0, 0, 0, 3, 0, 14, 1, 0, 0, 0, 1, 1, 2, 0, 0, 2, 2, 637, 1]. [2024-12-02 08:16:22,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:16:22,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:16:22,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:16:22,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:16:22,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (1/1) ... [2024-12-02 08:16:22,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:16:22,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:16:22,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:16:22,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0e8ec04-8f5d-4fde-ab50-2ce949174065/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:16:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 08:16:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 08:16:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:16:22,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:16:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:16:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:16:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2024-12-02 08:16:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:16:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 08:16:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 08:16:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 08:16:22,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:16:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:16:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:16:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2024-12-02 08:16:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2024-12-02 08:16:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:16:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:16:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:16:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:16:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:16:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:16:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:16:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2024-12-02 08:16:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2024-12-02 08:16:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:16:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:16:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 08:16:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-12-02 08:16:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:16:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:16:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-12-02 08:16:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:16:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 08:16:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 08:16:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-12-02 08:16:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:16:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:16:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 08:16:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:16:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 08:16:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:16:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-12-02 08:16:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:16:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2024-12-02 08:16:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2024-12-02 08:16:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2024-12-02 08:16:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:16:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-12-02 08:16:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:16:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-12-02 08:16:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2024-12-02 08:16:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2024-12-02 08:16:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 08:16:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-12-02 08:16:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:16:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 08:16:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 08:16:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-12-02 08:16:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 08:16:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-12-02 08:16:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2024-12-02 08:16:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:16:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 08:16:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:16:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:16:23,231 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:16:23,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:16:24,073 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:16:40,496 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:16:41,393 INFO L? ?]: Removed 2442 outVars from TransFormulas that were not future-live. [2024-12-02 08:16:41,393 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:16:41,428 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:16:41,428 INFO L312 CfgBuilder]: Removed 22 assume(true) statements. [2024-12-02 08:16:41,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:16:41 BoogieIcfgContainer [2024-12-02 08:16:41,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:16:41,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:16:41,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:16:41,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:16:41,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:16:18" (1/3) ... [2024-12-02 08:16:41,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158deb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:16:41, skipping insertion in model container [2024-12-02 08:16:41,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:16:21" (2/3) ... [2024-12-02 08:16:41,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158deb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:16:41, skipping insertion in model container [2024-12-02 08:16:41,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:16:41" (3/3) ... [2024-12-02 08:16:41,437 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2024-12-02 08:16:41,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:16:41,451 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i that has 153 procedures, 2163 locations, 1 initial locations, 79 loop locations, and 3 error locations. [2024-12-02 08:16:41,525 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:16:41,535 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;@516ed7f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:16:41,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 08:16:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 1913 states, 1320 states have (on average 1.3098484848484848) internal successors, (1729), 1336 states have internal predecessors, (1729), 492 states have call successors, (492), 99 states have call predecessors, (492), 98 states have return successors, (485), 482 states have call predecessors, (485), 485 states have call successors, (485) [2024-12-02 08:16:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 08:16:41,562 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:16:41,563 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:16:41,563 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 08:16:41,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:16:41,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1209599459, now seen corresponding path program 1 times [2024-12-02 08:16:41,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:16:41,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313748334] [2024-12-02 08:16:41,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:16:41,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:16:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:17:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 08:17:00,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:17:00,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313748334] [2024-12-02 08:17:00,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313748334] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:17:00,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:17:00,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:17:00,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768710750] [2024-12-02 08:17:00,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:17:00,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:17:00,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:17:00,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:17:00,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:17:00,967 INFO L87 Difference]: Start difference. First operand has 1913 states, 1320 states have (on average 1.3098484848484848) internal successors, (1729), 1336 states have internal predecessors, (1729), 492 states have call successors, (492), 99 states have call predecessors, (492), 98 states have return successors, (485), 482 states have call predecessors, (485), 485 states have call successors, (485) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:17:05,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:17:06,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:17:06,111 INFO L93 Difference]: Finished difference Result 5455 states and 7809 transitions. [2024-12-02 08:17:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:17:06,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2024-12-02 08:17:06,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:17:06,152 INFO L225 Difference]: With dead ends: 5455 [2024-12-02 08:17:06,152 INFO L226 Difference]: Without dead ends: 3574 [2024-12-02 08:17:06,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:17:06,170 INFO L435 NwaCegarLoop]: 2707 mSDtfsCounter, 2514 mSDsluCounter, 2508 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 5215 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:17:06,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 5215 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 08:17:06,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3574 states. [2024-12-02 08:17:06,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3574 to 3570. [2024-12-02 08:17:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3570 states, 2486 states have (on average 1.3085277554304102) internal successors, (3253), 2516 states have internal predecessors, (3253), 894 states have call successors, (894), 188 states have call predecessors, (894), 187 states have return successors, (890), 884 states have call predecessors, (890), 890 states have call successors, (890) [2024-12-02 08:17:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3570 states and 5037 transitions. [2024-12-02 08:17:06,443 INFO L78 Accepts]: Start accepts. Automaton has 3570 states and 5037 transitions. Word has length 241 [2024-12-02 08:17:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:17:06,444 INFO L471 AbstractCegarLoop]: Abstraction has 3570 states and 5037 transitions. [2024-12-02 08:17:06,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 08:17:06,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 5037 transitions. [2024-12-02 08:17:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2024-12-02 08:17:06,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:17:06,453 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:17:06,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:17:06,454 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 08:17:06,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:17:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash -830747322, now seen corresponding path program 1 times [2024-12-02 08:17:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:17:06,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638624261] [2024-12-02 08:17:06,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:17:06,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:17:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:17:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-12-02 08:17:24,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:17:24,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638624261] [2024-12-02 08:17:24,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638624261] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:17:24,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:17:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:17:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009596771] [2024-12-02 08:17:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:17:24,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:17:24,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:17:24,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:17:24,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:17:24,871 INFO L87 Difference]: Start difference. First operand 3570 states and 5037 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 08:17:28,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:17:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:17:30,757 INFO L93 Difference]: Finished difference Result 7712 states and 10734 transitions. [2024-12-02 08:17:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:17:30,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 269 [2024-12-02 08:17:30,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:17:30,788 INFO L225 Difference]: With dead ends: 7712 [2024-12-02 08:17:30,788 INFO L226 Difference]: Without dead ends: 4185 [2024-12-02 08:17:30,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:17:30,807 INFO L435 NwaCegarLoop]: 2753 mSDtfsCounter, 1620 mSDsluCounter, 2590 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 5343 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:17:30,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1620 Valid, 5343 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-12-02 08:17:30,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2024-12-02 08:17:30,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 4164. [2024-12-02 08:17:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4164 states, 2853 states have (on average 1.2814581142656853) internal successors, (3656), 2897 states have internal predecessors, (3656), 1032 states have call successors, (1032), 277 states have call predecessors, (1032), 276 states have return successors, (1028), 1014 states have call predecessors, (1028), 1028 states have call successors, (1028) [2024-12-02 08:17:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 4164 states and 5716 transitions. [2024-12-02 08:17:31,023 INFO L78 Accepts]: Start accepts. Automaton has 4164 states and 5716 transitions. Word has length 269 [2024-12-02 08:17:31,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:17:31,024 INFO L471 AbstractCegarLoop]: Abstraction has 4164 states and 5716 transitions. [2024-12-02 08:17:31,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 08:17:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4164 states and 5716 transitions. [2024-12-02 08:17:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-12-02 08:17:31,032 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:17:31,032 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:17:31,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:17:31,032 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 08:17:31,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:17:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash -988816778, now seen corresponding path program 1 times [2024-12-02 08:17:31,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:17:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111587388] [2024-12-02 08:17:31,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:17:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:17:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:17:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2024-12-02 08:17:51,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:17:51,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111587388] [2024-12-02 08:17:51,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111587388] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:17:51,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:17:51,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:17:51,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470886832] [2024-12-02 08:17:51,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:17:51,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:17:51,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:17:51,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:17:51,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:17:51,089 INFO L87 Difference]: Start difference. First operand 4164 states and 5716 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 08:17:55,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:17:59,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:18:10,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:18:10,748 INFO L93 Difference]: Finished difference Result 7294 states and 9966 transitions. [2024-12-02 08:18:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:18:10,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2024-12-02 08:18:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:18:10,766 INFO L225 Difference]: With dead ends: 7294 [2024-12-02 08:18:10,766 INFO L226 Difference]: Without dead ends: 3173 [2024-12-02 08:18:10,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:18:10,780 INFO L435 NwaCegarLoop]: 2498 mSDtfsCounter, 2496 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2496 SdHoareTripleChecker+Valid, 4130 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:18:10,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2496 Valid, 4130 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 955 Invalid, 2 Unknown, 0 Unchecked, 19.4s Time] [2024-12-02 08:18:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3173 states. [2024-12-02 08:18:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3173 to 3173. [2024-12-02 08:18:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2217 states have (on average 1.2792061344158774) internal successors, (2836), 2232 states have internal predecessors, (2836), 737 states have call successors, (737), 217 states have call predecessors, (737), 216 states have return successors, (733), 728 states have call predecessors, (733), 733 states have call successors, (733) [2024-12-02 08:18:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4306 transitions. [2024-12-02 08:18:10,890 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4306 transitions. Word has length 295 [2024-12-02 08:18:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:18:10,890 INFO L471 AbstractCegarLoop]: Abstraction has 3173 states and 4306 transitions. [2024-12-02 08:18:10,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 08:18:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4306 transitions. [2024-12-02 08:18:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 08:18:10,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:18:10,895 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:18:10,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:18:10,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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 08:18:10,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:18:10,896 INFO L85 PathProgramCache]: Analyzing trace with hash -34331213, now seen corresponding path program 1 times [2024-12-02 08:18:10,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:18:10,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303592649] [2024-12-02 08:18:10,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:18:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:18:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:18:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-12-02 08:18:28,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:18:28,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303592649] [2024-12-02 08:18:28,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303592649] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:18:28,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:18:28,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:18:28,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291892861] [2024-12-02 08:18:28,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:18:28,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:18:28,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:18:28,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:18:28,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:18:28,824 INFO L87 Difference]: Start difference. First operand 3173 states and 4306 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 08:18:32,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:18:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:18:33,813 INFO L93 Difference]: Finished difference Result 7856 states and 10749 transitions. [2024-12-02 08:18:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:18:33,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 307 [2024-12-02 08:18:33,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:18:33,843 INFO L225 Difference]: With dead ends: 7856 [2024-12-02 08:18:33,843 INFO L226 Difference]: Without dead ends: 5297 [2024-12-02 08:18:33,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:18:33,856 INFO L435 NwaCegarLoop]: 4579 mSDtfsCounter, 2161 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 7021 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:18:33,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 7021 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 08:18:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5297 states. [2024-12-02 08:18:34,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5297 to 5293. [2024-12-02 08:18:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3720 states have (on average 1.288709677419355) internal successors, (4794), 3738 states have internal predecessors, (4794), 1223 states have call successors, (1223), 348 states have call predecessors, (1223), 347 states have return successors, (1219), 1214 states have call predecessors, (1219), 1219 states have call successors, (1219) [2024-12-02 08:18:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7236 transitions. [2024-12-02 08:18:34,123 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7236 transitions. Word has length 307 [2024-12-02 08:18:34,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:18:34,124 INFO L471 AbstractCegarLoop]: Abstraction has 5293 states and 7236 transitions. [2024-12-02 08:18:34,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 08:18:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7236 transitions. [2024-12-02 08:18:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 08:18:34,132 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:18:34,133 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:18:34,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:18:34,133 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 08:18:34,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:18:34,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1351872181, now seen corresponding path program 1 times [2024-12-02 08:18:34,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:18:34,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273905980] [2024-12-02 08:18:34,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:18:34,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:18:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:18:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-12-02 08:18:52,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:18:52,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273905980] [2024-12-02 08:18:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273905980] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:18:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:18:52,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:18:52,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35034323] [2024-12-02 08:18:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:18:52,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:18:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:18:52,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:18:52,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:18:52,036 INFO L87 Difference]: Start difference. First operand 5293 states and 7236 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:18:52,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:18:52,554 INFO L93 Difference]: Finished difference Result 5299 states and 7241 transitions. [2024-12-02 08:18:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:18:52,555 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2024-12-02 08:18:52,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:18:52,576 INFO L225 Difference]: With dead ends: 5299 [2024-12-02 08:18:52,576 INFO L226 Difference]: Without dead ends: 5297 [2024-12-02 08:18:52,579 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:18:52,579 INFO L435 NwaCegarLoop]: 2478 mSDtfsCounter, 2410 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 7427 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:18:52,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2411 Valid, 7427 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:18:52,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5297 states. [2024-12-02 08:18:52,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5297 to 5297. [2024-12-02 08:18:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5297 states, 3723 states have (on average 1.2884770346494763) internal successors, (4797), 3741 states have internal predecessors, (4797), 1223 states have call successors, (1223), 349 states have call predecessors, (1223), 348 states have return successors, (1219), 1214 states have call predecessors, (1219), 1219 states have call successors, (1219) [2024-12-02 08:18:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 7239 transitions. [2024-12-02 08:18:52,839 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 7239 transitions. Word has length 307 [2024-12-02 08:18:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:18:52,839 INFO L471 AbstractCegarLoop]: Abstraction has 5297 states and 7239 transitions. [2024-12-02 08:18:52,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 08:18:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 7239 transitions. [2024-12-02 08:18:52,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 08:18:52,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:18:52,849 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:18:52,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:18:52,849 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 08:18:52,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:18:52,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1509889021, now seen corresponding path program 1 times [2024-12-02 08:18:52,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:18:52,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017175201] [2024-12-02 08:18:52,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:18:52,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:19:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:19:11,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-12-02 08:19:11,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:19:11,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017175201] [2024-12-02 08:19:11,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017175201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:19:11,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:19:11,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:19:11,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300968148] [2024-12-02 08:19:11,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:19:11,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:19:11,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:19:11,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:19:11,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:19:11,323 INFO L87 Difference]: Start difference. First operand 5297 states and 7239 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:19:11,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:19:11,823 INFO L93 Difference]: Finished difference Result 5303 states and 7244 transitions. [2024-12-02 08:19:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:19:11,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2024-12-02 08:19:11,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:19:11,851 INFO L225 Difference]: With dead ends: 5303 [2024-12-02 08:19:11,851 INFO L226 Difference]: Without dead ends: 5301 [2024-12-02 08:19:11,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:19:11,855 INFO L435 NwaCegarLoop]: 2481 mSDtfsCounter, 2406 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 7431 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:19:11,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2407 Valid, 7431 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:19:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2024-12-02 08:19:12,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5301. [2024-12-02 08:19:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 3726 states have (on average 1.288244766505636) internal successors, (4800), 3744 states have internal predecessors, (4800), 1223 states have call successors, (1223), 350 states have call predecessors, (1223), 349 states have return successors, (1219), 1214 states have call predecessors, (1219), 1219 states have call successors, (1219) [2024-12-02 08:19:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 7242 transitions. [2024-12-02 08:19:12,142 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 7242 transitions. Word has length 312 [2024-12-02 08:19:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:19:12,143 INFO L471 AbstractCegarLoop]: Abstraction has 5301 states and 7242 transitions. [2024-12-02 08:19:12,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 08:19:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 7242 transitions. [2024-12-02 08:19:12,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 08:19:12,149 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:19:12,149 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:19:12,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:19:12,149 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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 08:19:12,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:19:12,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1201792183, now seen corresponding path program 1 times [2024-12-02 08:19:12,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:19:12,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182664114] [2024-12-02 08:19:12,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:19:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:19:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:19:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-12-02 08:19:28,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:19:28,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182664114] [2024-12-02 08:19:28,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182664114] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:19:28,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:19:28,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:19:28,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995407598] [2024-12-02 08:19:28,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:19:28,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:19:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:19:28,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:19:28,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:19:28,793 INFO L87 Difference]: Start difference. First operand 5301 states and 7242 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 08:19:33,004 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 08:19:34,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:19:34,145 INFO L93 Difference]: Finished difference Result 14391 states and 19693 transitions. [2024-12-02 08:19:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:19:34,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2024-12-02 08:19:34,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:19:34,186 INFO L225 Difference]: With dead ends: 14391 [2024-12-02 08:19:34,186 INFO L226 Difference]: Without dead ends: 9154 [2024-12-02 08:19:34,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:19:34,202 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2281 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:19:34,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4954 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:19:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2024-12-02 08:19:34,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 9123. [2024-12-02 08:19:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9123 states, 6466 states have (on average 1.288895762449737) internal successors, (8334), 6504 states have internal predecessors, (8334), 2062 states have call successors, (2062), 593 states have call predecessors, (2062), 592 states have return successors, (2058), 2041 states have call predecessors, (2058), 2058 states have call successors, (2058) [2024-12-02 08:19:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9123 states to 9123 states and 12454 transitions. [2024-12-02 08:19:34,547 INFO L78 Accepts]: Start accepts. Automaton has 9123 states and 12454 transitions. Word has length 332 [2024-12-02 08:19:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:19:34,547 INFO L471 AbstractCegarLoop]: Abstraction has 9123 states and 12454 transitions. [2024-12-02 08:19:34,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-12-02 08:19:34,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9123 states and 12454 transitions. [2024-12-02 08:19:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 08:19:34,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:19:34,551 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:19:34,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:19:34,551 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 08:19:34,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:19:34,553 INFO L85 PathProgramCache]: Analyzing trace with hash 431821685, now seen corresponding path program 1 times [2024-12-02 08:19:34,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:19:34,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375652159] [2024-12-02 08:19:34,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:19:34,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:19:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:19:52,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-12-02 08:19:52,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:19:52,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375652159] [2024-12-02 08:19:52,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375652159] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:19:52,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:19:52,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:19:52,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786682761] [2024-12-02 08:19:52,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:19:52,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:19:52,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:19:52,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:19:52,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:19:52,020 INFO L87 Difference]: Start difference. First operand 9123 states and 12454 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:19:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:19:52,611 INFO L93 Difference]: Finished difference Result 9129 states and 12459 transitions. [2024-12-02 08:19:52,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:19:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2024-12-02 08:19:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:19:52,643 INFO L225 Difference]: With dead ends: 9129 [2024-12-02 08:19:52,643 INFO L226 Difference]: Without dead ends: 9127 [2024-12-02 08:19:52,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:19:52,648 INFO L435 NwaCegarLoop]: 2481 mSDtfsCounter, 2405 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 7431 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:19:52,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2406 Valid, 7431 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:19:52,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9127 states. [2024-12-02 08:19:53,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9127 to 9127. [2024-12-02 08:19:53,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9127 states, 6469 states have (on average 1.288761786984078) internal successors, (8337), 6507 states have internal predecessors, (8337), 2062 states have call successors, (2062), 594 states have call predecessors, (2062), 593 states have return successors, (2058), 2041 states have call predecessors, (2058), 2058 states have call successors, (2058) [2024-12-02 08:19:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9127 states to 9127 states and 12457 transitions. [2024-12-02 08:19:53,103 INFO L78 Accepts]: Start accepts. Automaton has 9127 states and 12457 transitions. Word has length 317 [2024-12-02 08:19:53,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:19:53,103 INFO L471 AbstractCegarLoop]: Abstraction has 9127 states and 12457 transitions. [2024-12-02 08:19:53,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 08:19:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9127 states and 12457 transitions. [2024-12-02 08:19:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 08:19:53,109 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:19:53,109 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:19:53,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:19:53,109 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 08:19:53,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:19:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash -752935678, now seen corresponding path program 1 times [2024-12-02 08:19:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:19:53,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687940864] [2024-12-02 08:19:53,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:19:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:09,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2024-12-02 08:20:09,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:20:09,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687940864] [2024-12-02 08:20:09,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687940864] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:09,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:20:09,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:20:09,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909566709] [2024-12-02 08:20:09,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:09,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:20:09,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:20:09,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:20:09,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:20:09,866 INFO L87 Difference]: Start difference. First operand 9127 states and 12457 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:20:13,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:20:15,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:15,119 INFO L93 Difference]: Finished difference Result 21833 states and 29907 transitions. [2024-12-02 08:20:15,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:20:15,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 332 [2024-12-02 08:20:15,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:15,165 INFO L225 Difference]: With dead ends: 21833 [2024-12-02 08:20:15,165 INFO L226 Difference]: Without dead ends: 13095 [2024-12-02 08:20:15,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:20:15,204 INFO L435 NwaCegarLoop]: 4563 mSDtfsCounter, 2183 mSDsluCounter, 2444 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 7007 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:20:15,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2183 Valid, 7007 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 08:20:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13095 states. [2024-12-02 08:20:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13095 to 13067. [2024-12-02 08:20:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13067 states, 9284 states have (on average 1.2923308918569583) internal successors, (11998), 9328 states have internal predecessors, (11998), 2945 states have call successors, (2945), 836 states have call predecessors, (2945), 835 states have return successors, (2941), 2924 states have call predecessors, (2941), 2941 states have call successors, (2941) [2024-12-02 08:20:15,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13067 states to 13067 states and 17884 transitions. [2024-12-02 08:20:15,704 INFO L78 Accepts]: Start accepts. Automaton has 13067 states and 17884 transitions. Word has length 332 [2024-12-02 08:20:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:15,705 INFO L471 AbstractCegarLoop]: Abstraction has 13067 states and 17884 transitions. [2024-12-02 08:20:15,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:20:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 13067 states and 17884 transitions. [2024-12-02 08:20:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 08:20:15,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:15,708 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:15,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:20:15,709 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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 08:20:15,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:15,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1731651907, now seen corresponding path program 1 times [2024-12-02 08:20:15,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:15,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778673320] [2024-12-02 08:20:15,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:15,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2024-12-02 08:20:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:20:33,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778673320] [2024-12-02 08:20:33,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778673320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:33,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:20:33,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:20:33,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647674623] [2024-12-02 08:20:33,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:33,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:20:33,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:20:33,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:20:33,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:20:33,337 INFO L87 Difference]: Start difference. First operand 13067 states and 17884 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 08:20:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:34,118 INFO L93 Difference]: Finished difference Result 13073 states and 17889 transitions. [2024-12-02 08:20:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:20:34,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2024-12-02 08:20:34,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:34,165 INFO L225 Difference]: With dead ends: 13073 [2024-12-02 08:20:34,165 INFO L226 Difference]: Without dead ends: 13071 [2024-12-02 08:20:34,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:20:34,173 INFO L435 NwaCegarLoop]: 2481 mSDtfsCounter, 2404 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 7431 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:20:34,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 7431 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:20:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13071 states. [2024-12-02 08:20:34,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13071 to 13071. [2024-12-02 08:20:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13071 states, 9287 states have (on average 1.292236459567137) internal successors, (12001), 9331 states have internal predecessors, (12001), 2945 states have call successors, (2945), 837 states have call predecessors, (2945), 836 states have return successors, (2941), 2924 states have call predecessors, (2941), 2941 states have call successors, (2941) [2024-12-02 08:20:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13071 states to 13071 states and 17887 transitions. [2024-12-02 08:20:34,827 INFO L78 Accepts]: Start accepts. Automaton has 13071 states and 17887 transitions. Word has length 322 [2024-12-02 08:20:34,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:34,828 INFO L471 AbstractCegarLoop]: Abstraction has 13071 states and 17887 transitions. [2024-12-02 08:20:34,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 08:20:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 13071 states and 17887 transitions. [2024-12-02 08:20:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 08:20:34,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:34,830 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:34,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:20:34,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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 08:20:34,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:34,832 INFO L85 PathProgramCache]: Analyzing trace with hash 985724981, now seen corresponding path program 1 times [2024-12-02 08:20:34,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:34,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016881215] [2024-12-02 08:20:34,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:34,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:20:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:20:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-12-02 08:20:52,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:20:52,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016881215] [2024-12-02 08:20:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016881215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:20:52,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:20:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:20:52,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620132772] [2024-12-02 08:20:52,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:20:52,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:20:52,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:20:52,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:20:52,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:20:52,123 INFO L87 Difference]: Start difference. First operand 13071 states and 17887 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 08:20:53,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:20:53,551 INFO L93 Difference]: Finished difference Result 25552 states and 35077 transitions. [2024-12-02 08:20:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:20:53,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2024-12-02 08:20:53,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:20:53,635 INFO L225 Difference]: With dead ends: 25552 [2024-12-02 08:20:53,635 INFO L226 Difference]: Without dead ends: 25548 [2024-12-02 08:20:53,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:20:53,644 INFO L435 NwaCegarLoop]: 2848 mSDtfsCounter, 2374 mSDsluCounter, 8075 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 10923 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:20:53,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 10923 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 08:20:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25548 states. [2024-12-02 08:20:54,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25548 to 25377. [2024-12-02 08:20:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25377 states, 18005 states have (on average 1.2948069980560954) internal successors, (23313), 18135 states have internal predecessors, (23313), 5749 states have call successors, (5749), 1629 states have call predecessors, (5749), 1620 states have return successors, (5804), 5650 states have call predecessors, (5804), 5741 states have call successors, (5804) [2024-12-02 08:20:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25377 states to 25377 states and 34866 transitions. [2024-12-02 08:20:54,675 INFO L78 Accepts]: Start accepts. Automaton has 25377 states and 34866 transitions. Word has length 327 [2024-12-02 08:20:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:20:54,675 INFO L471 AbstractCegarLoop]: Abstraction has 25377 states and 34866 transitions. [2024-12-02 08:20:54,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 08:20:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 25377 states and 34866 transitions. [2024-12-02 08:20:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 08:20:54,678 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:20:54,678 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:20:54,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:20:54,678 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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 08:20:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:20:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash -93300355, now seen corresponding path program 1 times [2024-12-02 08:20:54,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:20:54,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172248415] [2024-12-02 08:20:54,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:20:54,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2024-12-02 08:21:12,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:12,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172248415] [2024-12-02 08:21:12,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172248415] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:12,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:12,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:21:12,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185937496] [2024-12-02 08:21:12,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:12,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:21:12,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:12,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:21:12,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:21:12,685 INFO L87 Difference]: Start difference. First operand 25377 states and 34866 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 08:21:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:13,717 INFO L93 Difference]: Finished difference Result 25383 states and 34871 transitions. [2024-12-02 08:21:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:21:13,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 332 [2024-12-02 08:21:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:13,807 INFO L225 Difference]: With dead ends: 25383 [2024-12-02 08:21:13,807 INFO L226 Difference]: Without dead ends: 24840 [2024-12-02 08:21:13,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:21:13,822 INFO L435 NwaCegarLoop]: 2482 mSDtfsCounter, 2403 mSDsluCounter, 4952 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 7434 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:13,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 7434 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:21:13,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24840 states. [2024-12-02 08:21:14,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24840 to 24840. [2024-12-02 08:21:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24840 states, 17622 states have (on average 1.2958801498127341) internal successors, (22836), 17736 states have internal predecessors, (22836), 5644 states have call successors, (5644), 1579 states have call predecessors, (5644), 1571 states have return successors, (5703), 5558 states have call predecessors, (5703), 5640 states have call successors, (5703) [2024-12-02 08:21:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24840 states to 24840 states and 34183 transitions. [2024-12-02 08:21:15,049 INFO L78 Accepts]: Start accepts. Automaton has 24840 states and 34183 transitions. Word has length 332 [2024-12-02 08:21:15,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:15,050 INFO L471 AbstractCegarLoop]: Abstraction has 24840 states and 34183 transitions. [2024-12-02 08:21:15,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 08:21:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24840 states and 34183 transitions. [2024-12-02 08:21:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-12-02 08:21:15,055 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:15,055 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:15,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:21:15,055 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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 08:21:15,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash -382444161, now seen corresponding path program 1 times [2024-12-02 08:21:15,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:15,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880059475] [2024-12-02 08:21:15,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:15,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2024-12-02 08:21:31,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:31,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880059475] [2024-12-02 08:21:31,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880059475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:31,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:31,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:31,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544102088] [2024-12-02 08:21:31,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:31,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:31,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:31,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:31,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:31,846 INFO L87 Difference]: Start difference. First operand 24840 states and 34183 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 08:21:35,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:21:37,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:21:37,756 INFO L93 Difference]: Finished difference Result 57103 states and 78654 transitions. [2024-12-02 08:21:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:21:37,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 387 [2024-12-02 08:21:37,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:21:37,916 INFO L225 Difference]: With dead ends: 57103 [2024-12-02 08:21:37,916 INFO L226 Difference]: Without dead ends: 32284 [2024-12-02 08:21:38,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:38,018 INFO L435 NwaCegarLoop]: 4657 mSDtfsCounter, 2195 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 7099 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:21:38,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 7099 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 08:21:38,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32284 states. [2024-12-02 08:21:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32284 to 32255. [2024-12-02 08:21:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32255 states, 22885 states have (on average 1.2979681013764475) internal successors, (29704), 23030 states have internal predecessors, (29704), 7337 states have call successors, (7337), 2040 states have call predecessors, (7337), 2030 states have return successors, (7417), 7232 states have call predecessors, (7417), 7333 states have call successors, (7417) [2024-12-02 08:21:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32255 states to 32255 states and 44458 transitions. [2024-12-02 08:21:39,333 INFO L78 Accepts]: Start accepts. Automaton has 32255 states and 44458 transitions. Word has length 387 [2024-12-02 08:21:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:21:39,333 INFO L471 AbstractCegarLoop]: Abstraction has 32255 states and 44458 transitions. [2024-12-02 08:21:39,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 08:21:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32255 states and 44458 transitions. [2024-12-02 08:21:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2024-12-02 08:21:39,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:21:39,339 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:39,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:21:39,339 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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 08:21:39,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:21:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash 55295931, now seen corresponding path program 1 times [2024-12-02 08:21:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:21:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579541150] [2024-12-02 08:21:39,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:21:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:21:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:21:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2024-12-02 08:21:56,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:21:56,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579541150] [2024-12-02 08:21:56,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579541150] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:21:56,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:21:56,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:21:56,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804039053] [2024-12-02 08:21:56,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:21:56,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:21:56,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:21:56,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:21:56,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:21:56,243 INFO L87 Difference]: Start difference. First operand 32255 states and 44458 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:22:00,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:03,092 INFO L93 Difference]: Finished difference Result 72397 states and 99264 transitions. [2024-12-02 08:22:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:03,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 387 [2024-12-02 08:22:03,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:03,234 INFO L225 Difference]: With dead ends: 72397 [2024-12-02 08:22:03,234 INFO L226 Difference]: Without dead ends: 40531 [2024-12-02 08:22:03,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:03,324 INFO L435 NwaCegarLoop]: 3470 mSDtfsCounter, 1023 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 5836 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:03,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 5836 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:22:03,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40531 states. [2024-12-02 08:22:04,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40531 to 40430. [2024-12-02 08:22:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40430 states, 28754 states have (on average 1.2897336022814216) internal successors, (37085), 28921 states have internal predecessors, (37085), 8941 states have call successors, (8941), 2742 states have call predecessors, (8941), 2732 states have return successors, (9033), 8816 states have call predecessors, (9033), 8937 states have call successors, (9033) [2024-12-02 08:22:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40430 states to 40430 states and 55059 transitions. [2024-12-02 08:22:05,021 INFO L78 Accepts]: Start accepts. Automaton has 40430 states and 55059 transitions. Word has length 387 [2024-12-02 08:22:05,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:05,021 INFO L471 AbstractCegarLoop]: Abstraction has 40430 states and 55059 transitions. [2024-12-02 08:22:05,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 08:22:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 40430 states and 55059 transitions. [2024-12-02 08:22:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2024-12-02 08:22:05,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:22:05,035 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:22:05,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:22:05,036 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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 08:22:05,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:22:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1527119434, now seen corresponding path program 1 times [2024-12-02 08:22:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:22:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265271108] [2024-12-02 08:22:05,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:22:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:22:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2363 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2024-12-02 08:22:22,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:22:22,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265271108] [2024-12-02 08:22:22,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265271108] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:22,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:22:22,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:22:22,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685298002] [2024-12-02 08:22:22,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:22,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:22:22,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:22,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:22:22,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:22,842 INFO L87 Difference]: Start difference. First operand 40430 states and 55059 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:22:26,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:29,439 INFO L93 Difference]: Finished difference Result 90077 states and 122819 transitions. [2024-12-02 08:22:29,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:29,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 449 [2024-12-02 08:22:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:29,607 INFO L225 Difference]: With dead ends: 90077 [2024-12-02 08:22:29,607 INFO L226 Difference]: Without dead ends: 50036 [2024-12-02 08:22:29,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:29,710 INFO L435 NwaCegarLoop]: 4638 mSDtfsCounter, 2161 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 7079 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:29,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 7079 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 08:22:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50036 states. [2024-12-02 08:22:31,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50036 to 50032. [2024-12-02 08:22:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50032 states, 35626 states have (on average 1.290770785381463) internal successors, (45985), 35821 states have internal predecessors, (45985), 11037 states have call successors, (11037), 3378 states have call predecessors, (11037), 3366 states have return successors, (11153), 10892 states have call predecessors, (11153), 11033 states have call successors, (11153) [2024-12-02 08:22:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50032 states to 50032 states and 68175 transitions. [2024-12-02 08:22:31,749 INFO L78 Accepts]: Start accepts. Automaton has 50032 states and 68175 transitions. Word has length 449 [2024-12-02 08:22:31,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:22:31,749 INFO L471 AbstractCegarLoop]: Abstraction has 50032 states and 68175 transitions. [2024-12-02 08:22:31,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:22:31,750 INFO L276 IsEmpty]: Start isEmpty. Operand 50032 states and 68175 transitions. [2024-12-02 08:22:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-12-02 08:22:31,766 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:22:31,767 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 20, 20, 20, 20, 20, 20, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:22:31,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:22:31,767 INFO L396 AbstractCegarLoop]: === Iteration 16 === 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 08:22:31,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:22:31,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1402437282, now seen corresponding path program 1 times [2024-12-02 08:22:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:22:31,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029235680] [2024-12-02 08:22:31,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:22:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:22:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:22:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2024-12-02 08:22:48,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:22:48,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029235680] [2024-12-02 08:22:48,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029235680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:22:48,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:22:48,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:22:48,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477748230] [2024-12-02 08:22:48,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:22:48,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:22:48,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:22:48,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:22:48,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:48,952 INFO L87 Difference]: Start difference. First operand 50032 states and 68175 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:22:53,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:22:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:22:56,549 INFO L93 Difference]: Finished difference Result 122367 states and 166857 transitions. [2024-12-02 08:22:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:22:56,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 473 [2024-12-02 08:22:56,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:22:56,774 INFO L225 Difference]: With dead ends: 122367 [2024-12-02 08:22:56,774 INFO L226 Difference]: Without dead ends: 72724 [2024-12-02 08:22:56,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:22:56,891 INFO L435 NwaCegarLoop]: 4758 mSDtfsCounter, 2287 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2287 SdHoareTripleChecker+Valid, 7181 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:22:56,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2287 Valid, 7181 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:22:56,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72724 states. [2024-12-02 08:22:59,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72724 to 72558. [2024-12-02 08:22:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72558 states, 51806 states have (on average 1.2903524688260046) internal successors, (66848), 52093 states have internal predecessors, (66848), 15866 states have call successors, (15866), 4900 states have call predecessors, (15866), 4883 states have return successors, (16022), 15651 states have call predecessors, (16022), 15862 states have call successors, (16022) [2024-12-02 08:22:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72558 states to 72558 states and 98736 transitions. [2024-12-02 08:23:00,041 INFO L78 Accepts]: Start accepts. Automaton has 72558 states and 98736 transitions. Word has length 473 [2024-12-02 08:23:00,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:00,041 INFO L471 AbstractCegarLoop]: Abstraction has 72558 states and 98736 transitions. [2024-12-02 08:23:00,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2024-12-02 08:23:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 72558 states and 98736 transitions. [2024-12-02 08:23:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-12-02 08:23:00,074 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:00,074 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:00,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:23:00,074 INFO L396 AbstractCegarLoop]: === Iteration 17 === 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 08:23:00,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:00,075 INFO L85 PathProgramCache]: Analyzing trace with hash -298476838, now seen corresponding path program 1 times [2024-12-02 08:23:00,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:00,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991365095] [2024-12-02 08:23:00,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:00,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:23:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:23:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2024-12-02 08:23:18,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:23:18,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991365095] [2024-12-02 08:23:18,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991365095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:23:18,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:23:18,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:23:18,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667091455] [2024-12-02 08:23:18,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:23:18,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:23:18,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:23:18,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:23:18,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:23:18,807 INFO L87 Difference]: Start difference. First operand 72558 states and 98736 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 08:23:22,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:23:27,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:23:27,173 INFO L93 Difference]: Finished difference Result 158708 states and 215110 transitions. [2024-12-02 08:23:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:23:27,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 603 [2024-12-02 08:23:27,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:23:27,426 INFO L225 Difference]: With dead ends: 158708 [2024-12-02 08:23:27,426 INFO L226 Difference]: Without dead ends: 85857 [2024-12-02 08:23:27,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:23:27,577 INFO L435 NwaCegarLoop]: 3479 mSDtfsCounter, 1011 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 5859 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:23:27,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 5859 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:23:27,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85857 states. [2024-12-02 08:23:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85857 to 85691. [2024-12-02 08:23:30,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85691 states, 61296 states have (on average 1.2851898981989036) internal successors, (78777), 61615 states have internal predecessors, (78777), 18359 states have call successors, (18359), 6050 states have call predecessors, (18359), 6033 states have return successors, (18530), 18114 states have call predecessors, (18530), 18355 states have call successors, (18530) [2024-12-02 08:23:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85691 states to 85691 states and 115666 transitions. [2024-12-02 08:23:31,162 INFO L78 Accepts]: Start accepts. Automaton has 85691 states and 115666 transitions. Word has length 603 [2024-12-02 08:23:31,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:31,162 INFO L471 AbstractCegarLoop]: Abstraction has 85691 states and 115666 transitions. [2024-12-02 08:23:31,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 08:23:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 85691 states and 115666 transitions. [2024-12-02 08:23:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-12-02 08:23:31,181 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:31,182 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:31,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:23:31,182 INFO L396 AbstractCegarLoop]: === Iteration 18 === 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 08:23:31,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:31,182 INFO L85 PathProgramCache]: Analyzing trace with hash 962440412, now seen corresponding path program 1 times [2024-12-02 08:23:31,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:31,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515791090] [2024-12-02 08:23:31,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:31,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:23:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:23:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3668 trivial. 0 not checked. [2024-12-02 08:23:51,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:23:51,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515791090] [2024-12-02 08:23:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515791090] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:23:51,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:23:51,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:23:51,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624071638] [2024-12-02 08:23:51,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:23:51,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:23:51,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:23:51,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:23:51,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:23:51,235 INFO L87 Difference]: Start difference. First operand 85691 states and 115666 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 08:23:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:23:54,188 INFO L93 Difference]: Finished difference Result 86190 states and 116283 transitions. [2024-12-02 08:23:54,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:23:54,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 603 [2024-12-02 08:23:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:23:54,482 INFO L225 Difference]: With dead ends: 86190 [2024-12-02 08:23:54,482 INFO L226 Difference]: Without dead ends: 86188 [2024-12-02 08:23:54,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:23:54,525 INFO L435 NwaCegarLoop]: 2840 mSDtfsCounter, 2273 mSDsluCounter, 8070 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 10910 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:23:54,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2275 Valid, 10910 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:23:54,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86188 states. [2024-12-02 08:23:57,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86188 to 85691. [2024-12-02 08:23:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85691 states, 61296 states have (on average 1.2847004698512139) internal successors, (78747), 61615 states have internal predecessors, (78747), 18359 states have call successors, (18359), 6050 states have call predecessors, (18359), 6033 states have return successors, (18530), 18114 states have call predecessors, (18530), 18355 states have call successors, (18530) [2024-12-02 08:23:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85691 states to 85691 states and 115636 transitions. [2024-12-02 08:23:58,016 INFO L78 Accepts]: Start accepts. Automaton has 85691 states and 115636 transitions. Word has length 603 [2024-12-02 08:23:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:23:58,016 INFO L471 AbstractCegarLoop]: Abstraction has 85691 states and 115636 transitions. [2024-12-02 08:23:58,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 08:23:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 85691 states and 115636 transitions. [2024-12-02 08:23:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2024-12-02 08:23:58,051 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:23:58,051 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:23:58,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:23:58,052 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:23:58,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:23:58,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1349512543, now seen corresponding path program 1 times [2024-12-02 08:23:58,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:23:58,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527045702] [2024-12-02 08:23:58,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:23:58,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:24:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:24:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2024-12-02 08:24:15,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:24:15,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527045702] [2024-12-02 08:24:15,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527045702] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:24:15,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:24:15,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:24:15,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661310836] [2024-12-02 08:24:15,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:24:15,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:24:15,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:24:15,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:24:15,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:24:15,071 INFO L87 Difference]: Start difference. First operand 85691 states and 115636 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:24:19,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:24:24,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:24:24,156 INFO L93 Difference]: Finished difference Result 193392 states and 260407 transitions. [2024-12-02 08:24:24,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:24:24,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 619 [2024-12-02 08:24:24,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:24:24,550 INFO L225 Difference]: With dead ends: 193392 [2024-12-02 08:24:24,550 INFO L226 Difference]: Without dead ends: 108090 [2024-12-02 08:24:25,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:24:25,212 INFO L435 NwaCegarLoop]: 3517 mSDtfsCounter, 1397 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 5868 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:24:25,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 5868 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:24:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108090 states. [2024-12-02 08:24:29,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108090 to 108046. [2024-12-02 08:24:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108046 states, 76868 states have (on average 1.279218920747255) internal successors, (98331), 77257 states have internal predecessors, (98331), 23238 states have call successors, (23238), 7954 states have call predecessors, (23238), 7937 states have return successors, (23424), 22959 states have call predecessors, (23424), 23234 states have call successors, (23424) [2024-12-02 08:24:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108046 states to 108046 states and 144993 transitions. [2024-12-02 08:24:29,794 INFO L78 Accepts]: Start accepts. Automaton has 108046 states and 144993 transitions. Word has length 619 [2024-12-02 08:24:29,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:24:29,794 INFO L471 AbstractCegarLoop]: Abstraction has 108046 states and 144993 transitions. [2024-12-02 08:24:29,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:24:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 108046 states and 144993 transitions. [2024-12-02 08:24:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2024-12-02 08:24:29,840 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:24:29,840 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 20, 20, 20, 20, 20, 20, 13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:24:29,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:24:29,841 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:24:29,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:24:29,841 INFO L85 PathProgramCache]: Analyzing trace with hash -829874509, now seen corresponding path program 1 times [2024-12-02 08:24:29,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:24:29,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497064674] [2024-12-02 08:24:29,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:24:29,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:24:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:24:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3094 trivial. 0 not checked. [2024-12-02 08:24:49,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:24:49,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497064674] [2024-12-02 08:24:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497064674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:24:49,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:24:49,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:24:49,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184303437] [2024-12-02 08:24:49,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:24:49,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:24:49,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:24:49,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:24:49,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:24:49,514 INFO L87 Difference]: Start difference. First operand 108046 states and 144993 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 08:24:53,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:24:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:24:59,603 INFO L93 Difference]: Finished difference Result 248898 states and 334006 transitions. [2024-12-02 08:24:59,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:24:59,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 566 [2024-12-02 08:24:59,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:00,217 INFO L225 Difference]: With dead ends: 248898 [2024-12-02 08:25:00,217 INFO L226 Difference]: Without dead ends: 139873 [2024-12-02 08:25:00,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:00,622 INFO L435 NwaCegarLoop]: 4757 mSDtfsCounter, 2280 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 7190 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:00,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 7190 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:25:00,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139873 states. [2024-12-02 08:25:06,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139873 to 139638. [2024-12-02 08:25:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139638 states, 99479 states have (on average 1.2792247610048353) internal successors, (127256), 99992 states have internal predecessors, (127256), 29876 states have call successors, (29876), 10302 states have call predecessors, (29876), 10280 states have return successors, (30102), 29507 states have call predecessors, (30102), 29872 states have call successors, (30102) [2024-12-02 08:25:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139638 states to 139638 states and 187234 transitions. [2024-12-02 08:25:06,957 INFO L78 Accepts]: Start accepts. Automaton has 139638 states and 187234 transitions. Word has length 566 [2024-12-02 08:25:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:06,957 INFO L471 AbstractCegarLoop]: Abstraction has 139638 states and 187234 transitions. [2024-12-02 08:25:06,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 08:25:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 139638 states and 187234 transitions. [2024-12-02 08:25:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2024-12-02 08:25:06,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:06,989 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 20, 20, 20, 20, 20, 20, 13, 13, 13, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:06,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:25:06,989 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:25:06,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1370304015, now seen corresponding path program 1 times [2024-12-02 08:25:06,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:06,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386908218] [2024-12-02 08:25:06,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:25:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:25:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3094 trivial. 0 not checked. [2024-12-02 08:25:25,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:25:25,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386908218] [2024-12-02 08:25:25,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386908218] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:25:25,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:25:25,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:25:25,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071837664] [2024-12-02 08:25:25,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:25:25,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:25:25,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:25:25,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:25:25,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:25,850 INFO L87 Difference]: Start difference. First operand 139638 states and 187234 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 08:25:29,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:25:37,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:25:37,362 INFO L93 Difference]: Finished difference Result 312148 states and 418732 transitions. [2024-12-02 08:25:37,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:25:37,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 566 [2024-12-02 08:25:37,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:25:37,949 INFO L225 Difference]: With dead ends: 312148 [2024-12-02 08:25:37,949 INFO L226 Difference]: Without dead ends: 172899 [2024-12-02 08:25:38,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:25:38,255 INFO L435 NwaCegarLoop]: 4754 mSDtfsCounter, 2310 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2310 SdHoareTripleChecker+Valid, 7157 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:25:38,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2310 Valid, 7157 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 08:25:38,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172899 states. [2024-12-02 08:25:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172899 to 172664. [2024-12-02 08:25:46,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172664 states, 123188 states have (on average 1.2790937428970355) internal successors, (157569), 123825 states have internal predecessors, (157569), 36756 states have call successors, (36756), 12744 states have call predecessors, (36756), 12717 states have return successors, (37022), 36297 states have call predecessors, (37022), 36752 states have call successors, (37022) [2024-12-02 08:25:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172664 states to 172664 states and 231347 transitions. [2024-12-02 08:25:46,824 INFO L78 Accepts]: Start accepts. Automaton has 172664 states and 231347 transitions. Word has length 566 [2024-12-02 08:25:46,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:25:46,826 INFO L471 AbstractCegarLoop]: Abstraction has 172664 states and 231347 transitions. [2024-12-02 08:25:46,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2024-12-02 08:25:46,826 INFO L276 IsEmpty]: Start isEmpty. Operand 172664 states and 231347 transitions. [2024-12-02 08:25:46,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2024-12-02 08:25:46,922 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:25:46,922 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:25:46,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:25:46,922 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:25:46,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:25:46,923 INFO L85 PathProgramCache]: Analyzing trace with hash 203755951, now seen corresponding path program 1 times [2024-12-02 08:25:46,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:25:46,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362689453] [2024-12-02 08:25:46,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:25:46,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:26:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:26:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2024-12-02 08:26:07,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:26:07,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362689453] [2024-12-02 08:26:07,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362689453] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:26:07,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:26:07,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:26:07,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957701922] [2024-12-02 08:26:07,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:26:07,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:26:07,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:26:07,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:26:07,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:26:07,479 INFO L87 Difference]: Start difference. First operand 172664 states and 231347 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:26:15,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:26:15,748 INFO L93 Difference]: Finished difference Result 345239 states and 462643 transitions. [2024-12-02 08:26:15,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:26:15,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 641 [2024-12-02 08:26:15,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:26:17,314 INFO L225 Difference]: With dead ends: 345239 [2024-12-02 08:26:17,314 INFO L226 Difference]: Without dead ends: 172964 [2024-12-02 08:26:17,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:26:17,972 INFO L435 NwaCegarLoop]: 2477 mSDtfsCounter, 0 mSDsluCounter, 7419 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9896 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:26:17,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9896 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:26:18,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172964 states. [2024-12-02 08:26:27,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172964 to 172864. [2024-12-02 08:26:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172864 states, 123338 states have (on average 1.2787543174042064) internal successors, (157719), 123975 states have internal predecessors, (157719), 36756 states have call successors, (36756), 12744 states have call predecessors, (36756), 12767 states have return successors, (37122), 36347 states have call predecessors, (37122), 36752 states have call successors, (37122) [2024-12-02 08:26:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172864 states to 172864 states and 231597 transitions. [2024-12-02 08:26:28,571 INFO L78 Accepts]: Start accepts. Automaton has 172864 states and 231597 transitions. Word has length 641 [2024-12-02 08:26:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:26:28,572 INFO L471 AbstractCegarLoop]: Abstraction has 172864 states and 231597 transitions. [2024-12-02 08:26:28,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:26:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 172864 states and 231597 transitions. [2024-12-02 08:26:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2024-12-02 08:26:28,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:26:28,702 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:28,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:26:28,703 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:26:28,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:26:28,704 INFO L85 PathProgramCache]: Analyzing trace with hash -396166642, now seen corresponding path program 1 times [2024-12-02 08:26:28,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:26:28,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884727255] [2024-12-02 08:26:28,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:26:28,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:26:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:26:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3755 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3755 trivial. 0 not checked. [2024-12-02 08:26:51,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:26:51,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884727255] [2024-12-02 08:26:51,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884727255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:26:51,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:26:51,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:26:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429700566] [2024-12-02 08:26:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:26:51,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:26:51,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:26:51,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:26:51,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:26:51,364 INFO L87 Difference]: Start difference. First operand 172864 states and 231597 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:26:55,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:27:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:02,656 INFO L93 Difference]: Finished difference Result 173776 states and 232713 transitions. [2024-12-02 08:27:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:27:02,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 644 [2024-12-02 08:27:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:03,310 INFO L225 Difference]: With dead ends: 173776 [2024-12-02 08:27:03,310 INFO L226 Difference]: Without dead ends: 173774 [2024-12-02 08:27:03,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:27:03,373 INFO L435 NwaCegarLoop]: 3453 mSDtfsCounter, 2389 mSDsluCounter, 9293 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 12746 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:03,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 12746 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 08:27:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173774 states. [2024-12-02 08:27:12,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173774 to 173684. [2024-12-02 08:27:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173684 states, 123933 states have (on average 1.277779122590432) internal successors, (158359), 124520 states have internal predecessors, (158359), 36916 states have call successors, (36916), 12874 states have call predecessors, (36916), 12832 states have return successors, (37282), 36517 states have call predecessors, (37282), 36912 states have call successors, (37282) [2024-12-02 08:27:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173684 states to 173684 states and 232557 transitions. [2024-12-02 08:27:13,153 INFO L78 Accepts]: Start accepts. Automaton has 173684 states and 232557 transitions. Word has length 644 [2024-12-02 08:27:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:13,154 INFO L471 AbstractCegarLoop]: Abstraction has 173684 states and 232557 transitions. [2024-12-02 08:27:13,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (56), 3 states have call predecessors, (56), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:27:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 173684 states and 232557 transitions. [2024-12-02 08:27:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2024-12-02 08:27:13,247 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:13,247 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:27:13,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:27:13,248 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:27:13,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:13,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1329314255, now seen corresponding path program 1 times [2024-12-02 08:27:13,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:13,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763144110] [2024-12-02 08:27:13,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3755 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3755 trivial. 0 not checked. [2024-12-02 08:27:35,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:35,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763144110] [2024-12-02 08:27:35,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763144110] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:35,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:35,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:27:35,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551057348] [2024-12-02 08:27:35,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:35,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:27:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:35,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:27:35,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:27:35,289 INFO L87 Difference]: Start difference. First operand 173684 states and 232557 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:27:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:43,287 INFO L93 Difference]: Finished difference Result 340164 states and 455258 transitions. [2024-12-02 08:27:43,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:27:43,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) Word has length 644 [2024-12-02 08:27:43,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:44,258 INFO L225 Difference]: With dead ends: 340164 [2024-12-02 08:27:44,258 INFO L226 Difference]: Without dead ends: 166869 [2024-12-02 08:27:44,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:27:44,705 INFO L435 NwaCegarLoop]: 2483 mSDtfsCounter, 0 mSDsluCounter, 9918 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12401 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:44,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12401 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:27:44,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166869 states. [2024-12-02 08:27:53,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166869 to 166869. [2024-12-02 08:27:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166869 states, 119543 states have (on average 1.2777745246480345) internal successors, (152749), 120120 states have internal predecessors, (152749), 34971 states have call successors, (34971), 12334 states have call predecessors, (34971), 12352 states have return successors, (35382), 34617 states have call predecessors, (35382), 34967 states have call successors, (35382) [2024-12-02 08:27:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166869 states to 166869 states and 223102 transitions. [2024-12-02 08:27:54,509 INFO L78 Accepts]: Start accepts. Automaton has 166869 states and 223102 transitions. Word has length 644 [2024-12-02 08:27:54,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:54,509 INFO L471 AbstractCegarLoop]: Abstraction has 166869 states and 223102 transitions. [2024-12-02 08:27:54,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (53), 3 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 08:27:54,510 INFO L276 IsEmpty]: Start isEmpty. Operand 166869 states and 223102 transitions. [2024-12-02 08:27:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2024-12-02 08:27:54,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:54,586 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 20, 20, 20, 20, 20, 20, 14, 14, 14, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:54,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:27:54,586 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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 08:27:54,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:54,587 INFO L85 PathProgramCache]: Analyzing trace with hash 287503988, now seen corresponding path program 1 times [2024-12-02 08:27:54,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:54,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073943556] [2024-12-02 08:27:54,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:54,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms