./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-net-ethernet-micrel-ks8851.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:09:53,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:09:53,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:09:53,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:09:53,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:09:53,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:09:53,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:09:53,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:09:53,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:09:53,373 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:09:53,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:09:53,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:09:53,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:09:53,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:09:53,374 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:09:53,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:09:53,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:09:53,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:09:53,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:09:53,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:09:53,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:09:53,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:09:53,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:09:53,375 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:09:53,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:09:53,375 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:09:53,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:09:53,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:09:53,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:09:53,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:09:53,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:09:53,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:09:53,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:09:53,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:09:53,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:09:53,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:09:53,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:09:53,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:09:53,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:09:53,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:09:53,379 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adad89b7f673beaaf8bb114b70e1447440d8d3333aba6712cecf0b1e8decf472 [2024-11-24 01:09:53,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:09:53,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:09:53,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:09:53,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:09:53,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:09:53,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-24 01:09:54,319 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/data/9d8ce4d33/40ca5ef72b3e404c93dbd1a9e697ca5b/FLAG5655f0f08 [2024-11-24 01:09:59,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:09:59,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-24 01:09:59,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/data/9d8ce4d33/40ca5ef72b3e404c93dbd1a9e697ca5b/FLAG5655f0f08 [2024-11-24 01:09:59,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/data/9d8ce4d33/40ca5ef72b3e404c93dbd1a9e697ca5b [2024-11-24 01:09:59,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:09:59,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:09:59,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:09:59,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:09:59,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:09:59,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:59" (1/1) ... [2024-11-24 01:09:59,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5566f679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:59, skipping insertion in model container [2024-11-24 01:09:59,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:59" (1/1) ... [2024-11-24 01:10:00,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:10:02,434 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2024-11-24 01:10:02,438 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2024-11-24 01:10:02,439 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2024-11-24 01:10:02,440 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2024-11-24 01:10:02,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:02,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:10:02,690 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"); [5204] [2024-11-24 01:10:02,691 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)); [5211] [2024-11-24 01:10:02,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5218] [2024-11-24 01:10:03,015 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295786,295799] [2024-11-24 01:10:03,016 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[295952,295965] [2024-11-24 01:10:03,016 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296116,296129] [2024-11-24 01:10:03,017 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_0a1f50f5-fcd3-4e04-856a-332a2643c797/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i[296281,296294] [2024-11-24 01:10:03,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:10:03,267 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:10:03,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03 WrapperNode [2024-11-24 01:10:03,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:10:03,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:03,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:10:03,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:10:03,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:03,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:03,671 INFO L138 Inliner]: procedures = 395, calls = 1651, calls flagged for inlining = 231, calls inlined = 193, statements flattened = 4561 [2024-11-24 01:10:03,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:10:03,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:10:03,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:10:03,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:10:03,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:03,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:03,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,634 INFO L175 MemorySlicer]: Split 676 memory accesses to 14 slices as follows [2, 4, 3, 25, 77, 1, 2, 7, 2, 8, 40, 424, 4, 77]. 63 percent of accesses are in the largest equivalence class. The 125 initializations are split as follows [0, 4, 3, 0, 77, 1, 2, 7, 0, 8, 0, 19, 4, 0]. The 329 writes are split as follows [1, 0, 0, 23, 0, 0, 0, 0, 1, 0, 0, 238, 0, 66]. [2024-11-24 01:10:04,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,802 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:10:04,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:10:04,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:10:04,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:10:04,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (1/1) ... [2024-11-24 01:10:04,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:10:05,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:10:05,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:10:05,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1f50f5-fcd3-4e04-856a-332a2643c797/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:10:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:10:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:10:05,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:10:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:10:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2024-11-24 01:10:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ks8851_driver_exit_14_2 [2024-11-24 01:10:05,059 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 01:10:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 01:10:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_resume [2024-11-24 01:10:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_resume [2024-11-24 01:10:05,060 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-24 01:10:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-24 01:10:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 01:10:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 01:10:05,061 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_stop [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_stop [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:10:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:10:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-24 01:10:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-11-24 01:10:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:10:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 01:10:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-24 01:10:05,063 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:10:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 01:10:05,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:10:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:10:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:10:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:10:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2024-11-24 01:10:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2024-11-24 01:10:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:10:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:10:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 01:10:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 01:10:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:10:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:10:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:10:05,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:10:05,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_disable [2024-11-24 01:10:05,073 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_disable [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:10:05,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:10:05,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:10:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:10:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:10:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:10:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:10:05,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:10:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:10:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_ks8851_net [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_ks8851_net [2024-11-24 01:10:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg8 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg8 [2024-11-24 01:10:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:10:05,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:10:05,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:10:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:10:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:10:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-24 01:10:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-24 01:10:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-24 01:10:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-24 01:10:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg16 [2024-11-24 01:10:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg16 [2024-11-24 01:10:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:10:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-24 01:10:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-24 01:10:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_probe [2024-11-24 01:10:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_probe [2024-11-24 01:10:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:10:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:10:05,077 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:10:05,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:10:05,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_put [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_put [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_ks8851_net [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_ks8851_net [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:10:05,079 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:10:05,079 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_write_mac_addr [2024-11-24 01:10:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_write_mac_addr [2024-11-24 01:10:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:10:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:10:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_suspend [2024-11-24 01:10:05,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_suspend [2024-11-24 01:10:05,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:10:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-24 01:10:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-24 01:10:05,081 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:10:05,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:10:05,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:10:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_net_open [2024-11-24 01:10:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_net_open [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-11-24 01:10:05,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:10:05,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:10:05,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:10:05,084 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:10:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:10:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:10:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:10:05,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:10:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-24 01:10:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-24 01:10:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_rx_mode [2024-11-24 01:10:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_rx_mode [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:10:05,086 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:10:05,086 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 01:10:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_set_powermode [2024-11-24 01:10:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_set_powermode [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 01:10:05,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:10:05,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-24 01:10:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 01:10:05,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 01:10:05,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 01:10:05,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 01:10:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:10:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rx_1msg [2024-11-24 01:10:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rx_1msg [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_get_eeprom_len [2024-11-24 01:10:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_get_eeprom_len [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_soft_reset [2024-11-24 01:10:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_soft_reset [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-24 01:10:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:10:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:10:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:10:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:10:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:10:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_rdreg [2024-11-24 01:10:05,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_rdreg [2024-11-24 01:10:05,091 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_nway_reset [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_nway_reset [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_remove [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_remove [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure ks8851_wrreg16 [2024-11-24 01:10:05,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ks8851_wrreg16 [2024-11-24 01:10:05,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-24 01:10:05,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:10:05,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:10:05,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:10:05,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:10:06,138 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:10:06,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:10:06,602 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:10:19,042 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:10:19,871 INFO L? ?]: Removed 2055 outVars from TransFormulas that were not future-live. [2024-11-24 01:10:19,871 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:10:19,961 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:10:19,961 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:10:19,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:19 BoogieIcfgContainer [2024-11-24 01:10:19,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:10:19,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:10:19,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:10:19,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:10:19,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:09:59" (1/3) ... [2024-11-24 01:10:19,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a711654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:19, skipping insertion in model container [2024-11-24 01:10:19,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:10:03" (2/3) ... [2024-11-24 01:10:19,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a711654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:10:19, skipping insertion in model container [2024-11-24 01:10:19,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:10:19" (3/3) ... [2024-11-24 01:10:19,980 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i [2024-11-24 01:10:19,996 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:10:19,999 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-micrel-ks8851.cil.i that has 110 procedures, 1937 locations, 1 initial locations, 42 loop locations, and 3 error locations. [2024-11-24 01:10:20,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:10:20,147 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;@7c343c72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:10:20,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:10:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 1818 states, 1341 states have (on average 1.3281133482475764) internal successors, (1781), 1354 states have internal predecessors, (1781), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) [2024-11-24 01:10:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-24 01:10:20,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:20,196 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:20,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:20,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash 600722093, now seen corresponding path program 1 times [2024-11-24 01:10:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:20,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763445725] [2024-11-24 01:10:20,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-24 01:10:24,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:24,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763445725] [2024-11-24 01:10:24,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763445725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:24,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:24,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:24,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283406456] [2024-11-24 01:10:24,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:24,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:24,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:24,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:24,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:24,870 INFO L87 Difference]: Start difference. First operand has 1818 states, 1341 states have (on average 1.3281133482475764) internal successors, (1781), 1354 states have internal predecessors, (1781), 394 states have call successors, (394), 83 states have call predecessors, (394), 82 states have return successors, (385), 384 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:28,950 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 [] [2024-11-24 01:10:29,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:29,572 INFO L93 Difference]: Finished difference Result 5080 states and 7395 transitions. [2024-11-24 01:10:29,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:29,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2024-11-24 01:10:29,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:29,630 INFO L225 Difference]: With dead ends: 5080 [2024-11-24 01:10:29,630 INFO L226 Difference]: Without dead ends: 3283 [2024-11-24 01:10:29,654 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 [2024-11-24 01:10:29,657 INFO L435 NwaCegarLoop]: 2534 mSDtfsCounter, 2113 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 4999 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:29,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 4999 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 01:10:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2024-11-24 01:10:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 3264. [2024-11-24 01:10:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3264 states, 2408 states have (on average 1.3027408637873754) internal successors, (3137), 2434 states have internal predecessors, (3137), 694 states have call successors, (694), 162 states have call predecessors, (694), 159 states have return successors, (732), 679 states have call predecessors, (732), 690 states have call successors, (732) [2024-11-24 01:10:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 3264 states and 4563 transitions. [2024-11-24 01:10:30,046 INFO L78 Accepts]: Start accepts. Automaton has 3264 states and 4563 transitions. Word has length 215 [2024-11-24 01:10:30,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:30,048 INFO L471 AbstractCegarLoop]: Abstraction has 3264 states and 4563 transitions. [2024-11-24 01:10:30,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 4563 transitions. [2024-11-24 01:10:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-24 01:10:30,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:30,062 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:30,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:10:30,062 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:30,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1664365038, now seen corresponding path program 1 times [2024-11-24 01:10:30,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:30,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558053102] [2024-11-24 01:10:30,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-24 01:10:33,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558053102] [2024-11-24 01:10:33,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558053102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:33,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:33,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012540913] [2024-11-24 01:10:33,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:33,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:33,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:33,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:33,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:33,920 INFO L87 Difference]: Start difference. First operand 3264 states and 4563 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:37,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:10:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:38,517 INFO L93 Difference]: Finished difference Result 9575 states and 13392 transitions. [2024-11-24 01:10:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2024-11-24 01:10:38,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:38,569 INFO L225 Difference]: With dead ends: 9575 [2024-11-24 01:10:38,569 INFO L226 Difference]: Without dead ends: 6350 [2024-11-24 01:10:38,586 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 [2024-11-24 01:10:38,590 INFO L435 NwaCegarLoop]: 2505 mSDtfsCounter, 2347 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 4938 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:38,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 4938 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:10:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6350 states. [2024-11-24 01:10:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6350 to 6346. [2024-11-24 01:10:38,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6346 states, 4702 states have (on average 1.3043385793279456) internal successors, (6133), 4746 states have internal predecessors, (6133), 1326 states have call successors, (1326), 320 states have call predecessors, (1326), 315 states have return successors, (1406), 1303 states have call predecessors, (1406), 1322 states have call successors, (1406) [2024-11-24 01:10:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6346 states to 6346 states and 8865 transitions. [2024-11-24 01:10:39,025 INFO L78 Accepts]: Start accepts. Automaton has 6346 states and 8865 transitions. Word has length 217 [2024-11-24 01:10:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:39,026 INFO L471 AbstractCegarLoop]: Abstraction has 6346 states and 8865 transitions. [2024-11-24 01:10:39,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 6346 states and 8865 transitions. [2024-11-24 01:10:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-24 01:10:39,031 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:39,031 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:39,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:10:39,032 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)] === [2024-11-24 01:10:39,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1495201034, now seen corresponding path program 1 times [2024-11-24 01:10:39,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:39,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354414301] [2024-11-24 01:10:39,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:39,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-24 01:10:42,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:42,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354414301] [2024-11-24 01:10:42,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354414301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:42,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:42,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:42,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241084532] [2024-11-24 01:10:42,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:42,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:42,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:42,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:42,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:42,753 INFO L87 Difference]: Start difference. First operand 6346 states and 8865 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:10:46,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:10:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:48,050 INFO L93 Difference]: Finished difference Result 18288 states and 25523 transitions. [2024-11-24 01:10:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:48,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 219 [2024-11-24 01:10:48,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:48,135 INFO L225 Difference]: With dead ends: 18288 [2024-11-24 01:10:48,135 INFO L226 Difference]: Without dead ends: 11981 [2024-11-24 01:10:48,169 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 [2024-11-24 01:10:48,170 INFO L435 NwaCegarLoop]: 2501 mSDtfsCounter, 2173 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:48,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 4897 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 01:10:48,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11981 states. [2024-11-24 01:10:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11981 to 11956. [2024-11-24 01:10:48,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11956 states, 8828 states have (on average 1.299614861803353) internal successors, (11473), 8922 states have internal predecessors, (11473), 2500 states have call successors, (2500), 634 states have call predecessors, (2500), 625 states have return successors, (2600), 2447 states have call predecessors, (2600), 2496 states have call successors, (2600) [2024-11-24 01:10:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11956 states to 11956 states and 16573 transitions. [2024-11-24 01:10:48,806 INFO L78 Accepts]: Start accepts. Automaton has 11956 states and 16573 transitions. Word has length 219 [2024-11-24 01:10:48,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:48,807 INFO L471 AbstractCegarLoop]: Abstraction has 11956 states and 16573 transitions. [2024-11-24 01:10:48,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:10:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11956 states and 16573 transitions. [2024-11-24 01:10:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-24 01:10:48,820 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:48,821 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:48,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:10:48,821 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:48,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash 913106007, now seen corresponding path program 1 times [2024-11-24 01:10:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:48,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589894508] [2024-11-24 01:10:48,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:52,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-24 01:10:52,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:52,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589894508] [2024-11-24 01:10:52,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589894508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:52,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:52,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:52,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283635565] [2024-11-24 01:10:52,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:52,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:52,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:52,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:52,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:52,639 INFO L87 Difference]: Start difference. First operand 11956 states and 16573 transitions. 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:10:56,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:10:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:57,907 INFO L93 Difference]: Finished difference Result 28742 states and 39777 transitions. [2024-11-24 01:10:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:57,908 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 220 [2024-11-24 01:10:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:58,055 INFO L225 Difference]: With dead ends: 28742 [2024-11-24 01:10:58,055 INFO L226 Difference]: Without dead ends: 16825 [2024-11-24 01:10:58,117 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 [2024-11-24 01:10:58,118 INFO L435 NwaCegarLoop]: 2502 mSDtfsCounter, 2297 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 4939 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:58,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 4939 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:10:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16825 states. [2024-11-24 01:10:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16825 to 16800. [2024-11-24 01:10:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16800 states, 12346 states have (on average 1.2923213996436094) internal successors, (15955), 12496 states have internal predecessors, (15955), 3528 states have call successors, (3528), 936 states have call predecessors, (3528), 923 states have return successors, (3672), 3435 states have call predecessors, (3672), 3524 states have call successors, (3672) [2024-11-24 01:10:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16800 states to 16800 states and 23155 transitions. [2024-11-24 01:10:58,919 INFO L78 Accepts]: Start accepts. Automaton has 16800 states and 23155 transitions. Word has length 220 [2024-11-24 01:10:58,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:58,920 INFO L471 AbstractCegarLoop]: Abstraction has 16800 states and 23155 transitions. [2024-11-24 01:10:58,920 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:10:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 16800 states and 23155 transitions. [2024-11-24 01:10:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-11-24 01:10:58,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:58,931 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:58,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:10:58,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:58,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:58,932 INFO L85 PathProgramCache]: Analyzing trace with hash -698562905, now seen corresponding path program 1 times [2024-11-24 01:10:58,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:58,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936281614] [2024-11-24 01:10:58,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2024-11-24 01:11:02,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:02,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936281614] [2024-11-24 01:11:02,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936281614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:02,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:02,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:02,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105918173] [2024-11-24 01:11:02,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:02,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:02,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:02,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:02,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:02,895 INFO L87 Difference]: Start difference. First operand 16800 states and 23155 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 01:11:06,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:11:08,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:08,228 INFO L93 Difference]: Finished difference Result 41342 states and 56913 transitions. [2024-11-24 01:11:08,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:08,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 244 [2024-11-24 01:11:08,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:08,411 INFO L225 Difference]: With dead ends: 41342 [2024-11-24 01:11:08,411 INFO L226 Difference]: Without dead ends: 24581 [2024-11-24 01:11:08,492 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 [2024-11-24 01:11:08,494 INFO L435 NwaCegarLoop]: 2792 mSDtfsCounter, 2322 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:08,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 5237 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:11:08,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24581 states. [2024-11-24 01:11:09,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24581 to 24548. [2024-11-24 01:11:09,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24548 states, 18072 states have (on average 1.2886786188579018) internal successors, (23289), 18316 states have internal predecessors, (23289), 5106 states have call successors, (5106), 1386 states have call predecessors, (5106), 1367 states have return successors, (5286), 4947 states have call predecessors, (5286), 5102 states have call successors, (5286) [2024-11-24 01:11:09,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24548 states to 24548 states and 33681 transitions. [2024-11-24 01:11:09,950 INFO L78 Accepts]: Start accepts. Automaton has 24548 states and 33681 transitions. Word has length 244 [2024-11-24 01:11:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:09,954 INFO L471 AbstractCegarLoop]: Abstraction has 24548 states and 33681 transitions. [2024-11-24 01:11:09,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 01:11:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24548 states and 33681 transitions. [2024-11-24 01:11:09,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-24 01:11:09,961 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:09,961 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2024-11-24 01:11:09,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:11:09,962 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:09,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash -654387779, now seen corresponding path program 1 times [2024-11-24 01:11:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:09,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829459214] [2024-11-24 01:11:09,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:09,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2024-11-24 01:11:13,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:13,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829459214] [2024-11-24 01:11:13,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829459214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:13,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:13,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:13,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971258585] [2024-11-24 01:11:13,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:13,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:13,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:13,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:13,644 INFO L87 Difference]: Start difference. First operand 24548 states and 33681 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 01:11:17,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:11:19,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:19,488 INFO L93 Difference]: Finished difference Result 67785 states and 93092 transitions. [2024-11-24 01:11:19,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:19,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 261 [2024-11-24 01:11:19,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:19,784 INFO L225 Difference]: With dead ends: 67785 [2024-11-24 01:11:19,784 INFO L226 Difference]: Without dead ends: 43276 [2024-11-24 01:11:19,891 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 [2024-11-24 01:11:19,892 INFO L435 NwaCegarLoop]: 4176 mSDtfsCounter, 2357 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2357 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:19,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2357 Valid, 6614 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 54 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 01:11:19,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43276 states. [2024-11-24 01:11:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43276 to 43229. [2024-11-24 01:11:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43229 states, 31999 states have (on average 1.2882277571174099) internal successors, (41222), 32451 states have internal predecessors, (41222), 8842 states have call successors, (8842), 2432 states have call predecessors, (8842), 2385 states have return successors, (9186), 8521 states have call predecessors, (9186), 8838 states have call successors, (9186) [2024-11-24 01:11:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43229 states to 43229 states and 59250 transitions. [2024-11-24 01:11:21,820 INFO L78 Accepts]: Start accepts. Automaton has 43229 states and 59250 transitions. Word has length 261 [2024-11-24 01:11:21,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:21,820 INFO L471 AbstractCegarLoop]: Abstraction has 43229 states and 59250 transitions. [2024-11-24 01:11:21,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-24 01:11:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43229 states and 59250 transitions. [2024-11-24 01:11:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-24 01:11:21,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:21,827 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:21,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:11:21,827 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:21,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:21,827 INFO L85 PathProgramCache]: Analyzing trace with hash 447646657, now seen corresponding path program 1 times [2024-11-24 01:11:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:21,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146496912] [2024-11-24 01:11:21,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-11-24 01:11:25,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:25,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146496912] [2024-11-24 01:11:25,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146496912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:25,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:25,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:11:25,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918216785] [2024-11-24 01:11:25,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:25,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:11:25,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:25,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:11:25,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:11:25,113 INFO L87 Difference]: Start difference. First operand 43229 states and 59250 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-24 01:11:29,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:11:30,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:30,954 INFO L93 Difference]: Finished difference Result 127218 states and 174459 transitions. [2024-11-24 01:11:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:11:30,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 275 [2024-11-24 01:11:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:31,441 INFO L225 Difference]: With dead ends: 127218 [2024-11-24 01:11:31,441 INFO L226 Difference]: Without dead ends: 84185 [2024-11-24 01:11:31,619 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 [2024-11-24 01:11:31,621 INFO L435 NwaCegarLoop]: 4633 mSDtfsCounter, 2320 mSDsluCounter, 2459 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 7092 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:31,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 7092 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 01:11:31,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84185 states. [2024-11-24 01:11:35,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84185 to 84181. [2024-11-24 01:11:35,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84181 states, 62510 states have (on average 1.28796992481203) internal successors, (80511), 63236 states have internal predecessors, (80511), 17013 states have call successors, (17013), 4732 states have call predecessors, (17013), 4655 states have return successors, (17705), 16564 states have call predecessors, (17705), 17009 states have call successors, (17705) [2024-11-24 01:11:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84181 states to 84181 states and 115229 transitions. [2024-11-24 01:11:36,378 INFO L78 Accepts]: Start accepts. Automaton has 84181 states and 115229 transitions. Word has length 275 [2024-11-24 01:11:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:36,379 INFO L471 AbstractCegarLoop]: Abstraction has 84181 states and 115229 transitions. [2024-11-24 01:11:36,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-24 01:11:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 84181 states and 115229 transitions. [2024-11-24 01:11:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-24 01:11:36,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:36,385 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:36,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:11:36,386 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:36,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:36,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1924092605, now seen corresponding path program 1 times [2024-11-24 01:11:36,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:36,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988223926] [2024-11-24 01:11:36,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-11-24 01:11:40,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:40,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988223926] [2024-11-24 01:11:40,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988223926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:40,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:40,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:11:40,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577335434] [2024-11-24 01:11:40,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:40,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:11:40,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:40,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:11:40,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:40,863 INFO L87 Difference]: Start difference. First operand 84181 states and 115229 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:11:43,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:43,345 INFO L93 Difference]: Finished difference Result 84187 states and 115234 transitions. [2024-11-24 01:11:43,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:43,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 275 [2024-11-24 01:11:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:43,744 INFO L225 Difference]: With dead ends: 84187 [2024-11-24 01:11:43,744 INFO L226 Difference]: Without dead ends: 84185 [2024-11-24 01:11:43,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:43,779 INFO L435 NwaCegarLoop]: 2489 mSDtfsCounter, 2423 mSDsluCounter, 4973 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 7462 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:43,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 7462 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:11:43,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84185 states. [2024-11-24 01:11:47,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84185 to 84185. [2024-11-24 01:11:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84185 states, 62513 states have (on average 1.287956105130133) internal successors, (80514), 63239 states have internal predecessors, (80514), 17013 states have call successors, (17013), 4733 states have call predecessors, (17013), 4656 states have return successors, (17705), 16564 states have call predecessors, (17705), 17009 states have call successors, (17705) [2024-11-24 01:11:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84185 states to 84185 states and 115232 transitions. [2024-11-24 01:11:48,080 INFO L78 Accepts]: Start accepts. Automaton has 84185 states and 115232 transitions. Word has length 275 [2024-11-24 01:11:48,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:48,081 INFO L471 AbstractCegarLoop]: Abstraction has 84185 states and 115232 transitions. [2024-11-24 01:11:48,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 01:11:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 84185 states and 115232 transitions. [2024-11-24 01:11:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-24 01:11:48,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:48,086 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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] [2024-11-24 01:11:48,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:11:48,087 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:11:48,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:48,087 INFO L85 PathProgramCache]: Analyzing trace with hash -693100515, now seen corresponding path program 1 times [2024-11-24 01:11:48,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:48,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702107907] [2024-11-24 01:11:48,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:48,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms