./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/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 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:41:01,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:41:01,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:41:01,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:41:01,314 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:41:01,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:41:01,347 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:41:01,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:41:01,348 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:41:01,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:41:01,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:41:01,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:41:01,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:41:01,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:41:01,350 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:41:01,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:41:01,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:41:01,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:41:01,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:41:01,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:41:01,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:41:01,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:41:01,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:41:01,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:41:01,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:41:01,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:41:01,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:41:01,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:41:01,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:41:01,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:41:01,354 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:41:01,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:41:01,354 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/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 -> 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb [2024-11-23 18:41:01,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:41:01,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:41:01,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:41:01,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:41:01,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:41:01,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-23 18:41:05,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/data/00c0f30d4/4f6ec193d5eb4c2a8acdee3dc6d0fbe0/FLAGe7ab8a886 [2024-11-23 18:41:06,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:41:06,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-23 18:41:06,532 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/data/00c0f30d4/4f6ec193d5eb4c2a8acdee3dc6d0fbe0/FLAGe7ab8a886 [2024-11-23 18:41:06,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/data/00c0f30d4/4f6ec193d5eb4c2a8acdee3dc6d0fbe0 [2024-11-23 18:41:06,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:41:06,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:41:06,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:41:06,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:41:06,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:41:06,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:41:06" (1/1) ... [2024-11-23 18:41:06,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2babbf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:06, skipping insertion in model container [2024-11-23 18:41:06,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:41:06" (1/1) ... [2024-11-23 18:41:06,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:41:10,073 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2024-11-23 18:41:10,079 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2024-11-23 18:41:10,084 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2024-11-23 18:41:10,085 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2024-11-23 18:41:10,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:41:10,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:41:10,432 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"); [4781] [2024-11-23 18:41:10,435 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)); [4788] [2024-11-23 18:41:10,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4795] [2024-11-23 18:41:10,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [4833] [2024-11-23 18:41:10,847 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325823,325836] [2024-11-23 18:41:10,848 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[325992,326005] [2024-11-23 18:41:10,849 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326159,326172] [2024-11-23 18:41:10,850 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_348f160f-3bf5-42d1-8ac3-28a2c1242d19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i[326327,326340] [2024-11-23 18:41:10,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:41:11,299 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:41:11,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11 WrapperNode [2024-11-23 18:41:11,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:41:11,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:41:11,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:41:11,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:41:11,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:11,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:11,653 INFO L138 Inliner]: procedures = 424, calls = 2633, calls flagged for inlining = 194, calls inlined = 144, statements flattened = 5138 [2024-11-23 18:41:11,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:41:11,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:41:11,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:41:11,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:41:11,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:11,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:11,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,118 INFO L175 MemorySlicer]: Split 941 memory accesses to 19 slices as follows [2, 16, 3, 4, 0, 1, 3, 2, 2, 12, 2, 2, 2, 2, 2, 8, 2, 3, 873]. 93 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [0, 0, 3, 0, 0, 1, 0, 0, 2, 8, 0, 0, 0, 0, 0, 8, 0, 0, 22]. The 664 writes are split as follows [2, 14, 0, 2, 0, 0, 3, 0, 0, 0, 1, 0, 1, 2, 1, 0, 1, 0, 637]. [2024-11-23 18:41:13,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:41:13,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:41:13,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:41:13,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:41:13,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (1/1) ... [2024-11-23 18:41:13,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:41:13,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:41:13,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:41:13,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_348f160f-3bf5-42d1-8ac3-28a2c1242d19/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:41:13,661 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-23 18:41:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-23 18:41:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:41:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:41:13,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-23 18:41:13,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-23 18:41:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:41:13,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:41:13,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 18:41:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 18:41:13,664 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-23 18:41:13,664 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-23 18:41:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2024-11-23 18:41:13,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2024-11-23 18:41:13,665 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 18:41:13,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 18:41:13,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2024-11-23 18:41:13,667 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-11-23 18:41:13,667 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:41:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 18:41:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2024-11-23 18:41:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2024-11-23 18:41:13,668 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 18:41:13,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 18:41:13,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 18:41:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 18:41:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 18:41:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 18:41:13,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 18:41:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-23 18:41:13,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-23 18:41:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-23 18:41:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:41:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 18:41:13,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:41:13,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:41:13,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:41:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2024-11-23 18:41:13,682 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:41:13,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:41:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:41:13,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:41:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 18:41:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 18:41:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-23 18:41:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-23 18:41:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2024-11-23 18:41:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2024-11-23 18:41:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2024-11-23 18:41:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2024-11-23 18:41:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-23 18:41:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-23 18:41:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 18:41:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:41:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 18:41:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-23 18:41:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-23 18:41:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2024-11-23 18:41:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2024-11-23 18:41:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:41:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:41:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-23 18:41:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-23 18:41:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-23 18:41:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 18:41:13,698 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2024-11-23 18:41:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-23 18:41:13,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 18:41:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 18:41:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 18:41:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 18:41:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:41:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2024-11-23 18:41:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2024-11-23 18:41:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-23 18:41:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 18:41:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 18:41:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 18:41:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-11-23 18:41:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-11-23 18:41:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2024-11-23 18:41:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2024-11-23 18:41:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2024-11-23 18:41:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2024-11-23 18:41:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 18:41:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 18:41:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 18:41:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-23 18:41:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:41:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-23 18:41:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:41:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2024-11-23 18:41:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2024-11-23 18:41:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-23 18:41:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2024-11-23 18:41:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:41:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:41:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:41:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:41:13,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:41:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:41:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 18:41:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 18:41:13,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 18:41:13,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 18:41:15,297 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:41:15,303 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:41:17,088 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:41:37,522 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-23 18:41:38,867 INFO L? ?]: Removed 2414 outVars from TransFormulas that were not future-live. [2024-11-23 18:41:38,867 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:41:38,949 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:41:38,954 INFO L312 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-23 18:41:38,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:41:38 BoogieIcfgContainer [2024-11-23 18:41:38,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:41:38,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:41:38,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:41:38,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:41:38,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:41:06" (1/3) ... [2024-11-23 18:41:38,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a836978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:41:38, skipping insertion in model container [2024-11-23 18:41:38,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:41:11" (2/3) ... [2024-11-23 18:41:38,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a836978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:41:38, skipping insertion in model container [2024-11-23 18:41:38,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:41:38" (3/3) ... [2024-11-23 18:41:38,972 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-23 18:41:39,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:41:39,006 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i that has 157 procedures, 2174 locations, 1 initial locations, 79 loop locations, and 3 error locations. [2024-11-23 18:41:39,172 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:41:39,192 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;@61cabdf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:41:39,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 18:41:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 1924 states, 1318 states have (on average 1.3095599393019728) internal successors, (1726), 1334 states have internal predecessors, (1726), 501 states have call successors, (501), 103 states have call predecessors, (501), 102 states have return successors, (494), 491 states have call predecessors, (494), 494 states have call successors, (494) [2024-11-23 18:41:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-23 18:41:39,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:41:39,258 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:41:39,259 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:41:39,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:41:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash 846856540, now seen corresponding path program 1 times [2024-11-23 18:41:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:41:39,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308734343] [2024-11-23 18:41:39,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:41:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:41:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:01,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-23 18:42:01,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:01,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308734343] [2024-11-23 18:42:01,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308734343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:01,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:01,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:42:01,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690701872] [2024-11-23 18:42:01,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:01,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:01,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:01,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:01,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:01,657 INFO L87 Difference]: Start difference. First operand has 1924 states, 1318 states have (on average 1.3095599393019728) internal successors, (1726), 1334 states have internal predecessors, (1726), 501 states have call successors, (501), 103 states have call predecessors, (501), 102 states have return successors, (494), 491 states have call predecessors, (494), 494 states have call successors, (494) Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-23 18:42:05,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:42:07,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:42:07,077 INFO L93 Difference]: Finished difference Result 5485 states and 8017 transitions. [2024-11-23 18:42:07,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:07,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2024-11-23 18:42:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:42:07,127 INFO L225 Difference]: With dead ends: 5485 [2024-11-23 18:42:07,128 INFO L226 Difference]: Without dead ends: 3593 [2024-11-23 18:42:07,151 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 [2024-11-23 18:42:07,155 INFO L435 NwaCegarLoop]: 2722 mSDtfsCounter, 2523 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2523 SdHoareTripleChecker+Valid, 5245 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:42:07,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2523 Valid, 5245 Invalid, 54 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-23 18:42:07,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2024-11-23 18:42:07,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 3589. [2024-11-23 18:42:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 2482 states have (on average 1.3082191780821917) internal successors, (3247), 2512 states have internal predecessors, (3247), 909 states have call successors, (909), 196 states have call predecessors, (909), 195 states have return successors, (905), 899 states have call predecessors, (905), 905 states have call successors, (905) [2024-11-23 18:42:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5061 transitions. [2024-11-23 18:42:07,572 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5061 transitions. Word has length 241 [2024-11-23 18:42:07,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:42:07,576 INFO L471 AbstractCegarLoop]: Abstraction has 3589 states and 5061 transitions. [2024-11-23 18:42:07,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-23 18:42:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5061 transitions. [2024-11-23 18:42:07,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-23 18:42:07,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:42:07,587 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:07,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:42:07,587 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:42:07,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:07,588 INFO L85 PathProgramCache]: Analyzing trace with hash 495216677, now seen corresponding path program 1 times [2024-11-23 18:42:07,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:07,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890430825] [2024-11-23 18:42:07,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:07,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-23 18:42:27,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:27,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890430825] [2024-11-23 18:42:27,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890430825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:27,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:27,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:42:27,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787783993] [2024-11-23 18:42:27,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:27,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:27,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:27,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:27,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:27,677 INFO L87 Difference]: Start difference. First operand 3589 states and 5061 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 18:42:31,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:42:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:42:32,633 INFO L93 Difference]: Finished difference Result 6898 states and 9704 transitions. [2024-11-23 18:42:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:32,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2024-11-23 18:42:32,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:42:32,668 INFO L225 Difference]: With dead ends: 6898 [2024-11-23 18:42:32,669 INFO L226 Difference]: Without dead ends: 3352 [2024-11-23 18:42:32,688 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 [2024-11-23 18:42:32,689 INFO L435 NwaCegarLoop]: 2517 mSDtfsCounter, 2428 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 2599 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:42:32,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 2599 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 18:42:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2024-11-23 18:42:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2024-11-23 18:42:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 2331 states have (on average 1.3054483054483055) internal successors, (3043), 2343 states have internal predecessors, (3043), 831 states have call successors, (831), 188 states have call predecessors, (831), 187 states have return successors, (827), 827 states have call predecessors, (827), 827 states have call successors, (827) [2024-11-23 18:42:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4701 transitions. [2024-11-23 18:42:32,912 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4701 transitions. Word has length 257 [2024-11-23 18:42:32,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:42:32,913 INFO L471 AbstractCegarLoop]: Abstraction has 3352 states and 4701 transitions. [2024-11-23 18:42:32,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-23 18:42:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4701 transitions. [2024-11-23 18:42:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-23 18:42:32,925 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:42:32,925 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:32,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:42:32,925 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:42:32,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:32,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1455794018, now seen corresponding path program 1 times [2024-11-23 18:42:32,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:32,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323152015] [2024-11-23 18:42:32,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:32,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-23 18:42:58,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:58,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323152015] [2024-11-23 18:42:58,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323152015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:58,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:58,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:42:58,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739604328] [2024-11-23 18:42:58,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:58,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:58,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:58,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:58,224 INFO L87 Difference]: Start difference. First operand 3352 states and 4701 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-23 18:43:02,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:03,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:03,537 INFO L93 Difference]: Finished difference Result 8233 states and 11544 transitions. [2024-11-23 18:43:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:43:03,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 280 [2024-11-23 18:43:03,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:03,580 INFO L225 Difference]: With dead ends: 8233 [2024-11-23 18:43:03,580 INFO L226 Difference]: Without dead ends: 4945 [2024-11-23 18:43:03,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:03,605 INFO L435 NwaCegarLoop]: 2521 mSDtfsCounter, 2292 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 4994 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:03,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 4994 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-23 18:43:03,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2024-11-23 18:43:03,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4921. [2024-11-23 18:43:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4921 states, 3404 states have (on average 1.301997649823737) internal successors, (4432), 3425 states have internal predecessors, (4432), 1230 states have call successors, (1230), 285 states have call predecessors, (1230), 284 states have return successors, (1226), 1221 states have call predecessors, (1226), 1226 states have call successors, (1226) [2024-11-23 18:43:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 6888 transitions. [2024-11-23 18:43:03,978 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 6888 transitions. Word has length 280 [2024-11-23 18:43:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:03,980 INFO L471 AbstractCegarLoop]: Abstraction has 4921 states and 6888 transitions. [2024-11-23 18:43:03,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-23 18:43:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 6888 transitions. [2024-11-23 18:43:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-23 18:43:03,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:03,993 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:03,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:43:03,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:43:03,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash 740857140, now seen corresponding path program 1 times [2024-11-23 18:43:03,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:43:03,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553563264] [2024-11-23 18:43:03,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:43:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1805 trivial. 0 not checked. [2024-11-23 18:43:27,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:43:27,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553563264] [2024-11-23 18:43:27,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553563264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:27,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:27,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:43:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555512802] [2024-11-23 18:43:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:27,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:43:27,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:43:27,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:43:27,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:27,215 INFO L87 Difference]: Start difference. First operand 4921 states and 6888 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 18:43:31,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:43:33,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:43:33,442 INFO L93 Difference]: Finished difference Result 10269 states and 14184 transitions. [2024-11-23 18:43:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:43:33,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 326 [2024-11-23 18:43:33,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:43:33,497 INFO L225 Difference]: With dead ends: 10269 [2024-11-23 18:43:33,498 INFO L226 Difference]: Without dead ends: 5412 [2024-11-23 18:43:33,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:33,529 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 1006 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 4929 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:43:33,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 4929 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-23 18:43:33,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2024-11-23 18:43:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 5386. [2024-11-23 18:43:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 3707 states have (on average 1.2751551119503641) internal successors, (4727), 3739 states have internal predecessors, (4727), 1298 states have call successors, (1298), 379 states have call predecessors, (1298), 378 states have return successors, (1294), 1277 states have call predecessors, (1294), 1294 states have call successors, (1294) [2024-11-23 18:43:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 7319 transitions. [2024-11-23 18:43:33,944 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 7319 transitions. Word has length 326 [2024-11-23 18:43:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:43:33,945 INFO L471 AbstractCegarLoop]: Abstraction has 5386 states and 7319 transitions. [2024-11-23 18:43:33,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 18:43:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 7319 transitions. [2024-11-23 18:43:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-23 18:43:33,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:43:33,961 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:43:33,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:43:33,961 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:43:33,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:43:33,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1303837012, now seen corresponding path program 1 times [2024-11-23 18:43:33,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:43:33,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347424188] [2024-11-23 18:43:33,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:43:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:43:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:43:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-11-23 18:43:56,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:43:56,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347424188] [2024-11-23 18:43:56,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347424188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:43:56,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:43:56,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:43:56,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451014957] [2024-11-23 18:43:56,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:43:56,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:43:56,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:43:56,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:43:56,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:43:56,970 INFO L87 Difference]: Start difference. First operand 5386 states and 7319 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 18:44:01,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:44:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:02,590 INFO L93 Difference]: Finished difference Result 14330 states and 19616 transitions. [2024-11-23 18:44:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:44:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 307 [2024-11-23 18:44:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:02,676 INFO L225 Difference]: With dead ends: 14330 [2024-11-23 18:44:02,680 INFO L226 Difference]: Without dead ends: 9435 [2024-11-23 18:44:02,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:44:02,712 INFO L435 NwaCegarLoop]: 4658 mSDtfsCounter, 2171 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 7116 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:02,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 7116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 18:44:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-11-23 18:44:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9431. [2024-11-23 18:44:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9431 states, 6536 states have (on average 1.2847307221542228) internal successors, (8397), 6574 states have internal predecessors, (8397), 2253 states have call successors, (2253), 640 states have call predecessors, (2253), 639 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:44:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9431 states to 9431 states and 12899 transitions. [2024-11-23 18:44:03,395 INFO L78 Accepts]: Start accepts. Automaton has 9431 states and 12899 transitions. Word has length 307 [2024-11-23 18:44:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:03,396 INFO L471 AbstractCegarLoop]: Abstraction has 9431 states and 12899 transitions. [2024-11-23 18:44:03,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-23 18:44:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 9431 states and 12899 transitions. [2024-11-23 18:44:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-23 18:44:03,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:03,407 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:03,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:44:03,407 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:44:03,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash 82366382, now seen corresponding path program 1 times [2024-11-23 18:44:03,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:03,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999728756] [2024-11-23 18:44:03,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:03,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-23 18:44:27,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:27,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999728756] [2024-11-23 18:44:27,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999728756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:27,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:27,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:44:27,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434124828] [2024-11-23 18:44:27,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:27,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:44:27,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:27,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:44:27,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:44:27,770 INFO L87 Difference]: Start difference. First operand 9431 states and 12899 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:44:28,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:28,635 INFO L93 Difference]: Finished difference Result 9437 states and 12904 transitions. [2024-11-23 18:44:28,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:44:28,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2024-11-23 18:44:28,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:28,716 INFO L225 Difference]: With dead ends: 9437 [2024-11-23 18:44:28,716 INFO L226 Difference]: Without dead ends: 9435 [2024-11-23 18:44:28,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:44:28,724 INFO L435 NwaCegarLoop]: 2494 mSDtfsCounter, 2426 mSDsluCounter, 4978 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:28,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 7472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:44:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-11-23 18:44:29,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9435. [2024-11-23 18:44:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 6539 states have (on average 1.2846000917571494) internal successors, (8400), 6577 states have internal predecessors, (8400), 2253 states have call successors, (2253), 641 states have call predecessors, (2253), 640 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:44:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 12902 transitions. [2024-11-23 18:44:29,296 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 12902 transitions. Word has length 307 [2024-11-23 18:44:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:29,297 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 12902 transitions. [2024-11-23 18:44:29,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:44:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 12902 transitions. [2024-11-23 18:44:29,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-23 18:44:29,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:29,304 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:29,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:44:29,305 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:44:29,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:29,305 INFO L85 PathProgramCache]: Analyzing trace with hash 559609155, now seen corresponding path program 1 times [2024-11-23 18:44:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:29,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288777322] [2024-11-23 18:44:29,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:29,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:44:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:44:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-23 18:44:52,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:44:52,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288777322] [2024-11-23 18:44:52,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288777322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:44:52,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:44:52,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:44:52,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488567104] [2024-11-23 18:44:52,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:44:52,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:44:52,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:44:52,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:44:52,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:44:52,144 INFO L87 Difference]: Start difference. First operand 9435 states and 12902 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-23 18:44:53,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:44:53,204 INFO L93 Difference]: Finished difference Result 9441 states and 12907 transitions. [2024-11-23 18:44:53,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:44:53,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2024-11-23 18:44:53,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:44:53,282 INFO L225 Difference]: With dead ends: 9441 [2024-11-23 18:44:53,283 INFO L226 Difference]: Without dead ends: 9439 [2024-11-23 18:44:53,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:44:53,293 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2422 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:44:53,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:44:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2024-11-23 18:44:53,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9439. [2024-11-23 18:44:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 6542 states have (on average 1.2844695811678386) internal successors, (8403), 6580 states have internal predecessors, (8403), 2253 states have call successors, (2253), 642 states have call predecessors, (2253), 641 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:44:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 12905 transitions. [2024-11-23 18:44:53,995 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 12905 transitions. Word has length 312 [2024-11-23 18:44:53,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:44:53,996 INFO L471 AbstractCegarLoop]: Abstraction has 9439 states and 12905 transitions. [2024-11-23 18:44:53,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-23 18:44:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 12905 transitions. [2024-11-23 18:44:54,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-23 18:44:54,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:44:54,008 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:44:54,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:44:54,008 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:44:54,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:44:54,009 INFO L85 PathProgramCache]: Analyzing trace with hash 500636814, now seen corresponding path program 1 times [2024-11-23 18:44:54,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:44:54,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893068941] [2024-11-23 18:44:54,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:44:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:45:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-11-23 18:45:21,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:45:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893068941] [2024-11-23 18:45:21,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893068941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:21,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:21,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:45:21,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370243443] [2024-11-23 18:45:21,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:21,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:45:21,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:45:21,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:45:21,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:45:21,107 INFO L87 Difference]: Start difference. First operand 9439 states and 12905 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 18:45:22,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:22,179 INFO L93 Difference]: Finished difference Result 9445 states and 12910 transitions. [2024-11-23 18:45:22,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:45:22,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2024-11-23 18:45:22,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:22,249 INFO L225 Difference]: With dead ends: 9445 [2024-11-23 18:45:22,249 INFO L226 Difference]: Without dead ends: 9443 [2024-11-23 18:45:22,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:22,259 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2421 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:22,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:45:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9443 states. [2024-11-23 18:45:23,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9443 to 9443. [2024-11-23 18:45:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9443 states, 6545 states have (on average 1.284339190221543) internal successors, (8406), 6583 states have internal predecessors, (8406), 2253 states have call successors, (2253), 643 states have call predecessors, (2253), 642 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:45:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9443 states to 9443 states and 12908 transitions. [2024-11-23 18:45:23,115 INFO L78 Accepts]: Start accepts. Automaton has 9443 states and 12908 transitions. Word has length 317 [2024-11-23 18:45:23,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:23,116 INFO L471 AbstractCegarLoop]: Abstraction has 9443 states and 12908 transitions. [2024-11-23 18:45:23,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 18:45:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 9443 states and 12908 transitions. [2024-11-23 18:45:23,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-23 18:45:23,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:23,128 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:23,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:45:23,128 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:45:23,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:23,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1678515229, now seen corresponding path program 1 times [2024-11-23 18:45:23,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:45:23,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493323971] [2024-11-23 18:45:23,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:45:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:45:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2024-11-23 18:45:46,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:45:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493323971] [2024-11-23 18:45:46,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493323971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:45:46,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:45:46,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:45:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739469579] [2024-11-23 18:45:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:45:46,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:45:46,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:45:46,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:45:46,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:45:46,726 INFO L87 Difference]: Start difference. First operand 9443 states and 12908 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:45:47,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:45:47,903 INFO L93 Difference]: Finished difference Result 9449 states and 12913 transitions. [2024-11-23 18:45:47,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:45:47,904 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2024-11-23 18:45:47,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:45:47,964 INFO L225 Difference]: With dead ends: 9449 [2024-11-23 18:45:47,964 INFO L226 Difference]: Without dead ends: 9447 [2024-11-23 18:45:47,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:45:47,973 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2420 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:45:47,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:45:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2024-11-23 18:45:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 9447. [2024-11-23 18:45:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9447 states, 6548 states have (on average 1.284208918753818) internal successors, (8409), 6586 states have internal predecessors, (8409), 2253 states have call successors, (2253), 644 states have call predecessors, (2253), 643 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:45:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9447 states to 9447 states and 12911 transitions. [2024-11-23 18:45:48,704 INFO L78 Accepts]: Start accepts. Automaton has 9447 states and 12911 transitions. Word has length 322 [2024-11-23 18:45:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:45:48,706 INFO L471 AbstractCegarLoop]: Abstraction has 9447 states and 12911 transitions. [2024-11-23 18:45:48,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:45:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 9447 states and 12911 transitions. [2024-11-23 18:45:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-23 18:45:48,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:45:48,718 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:45:48,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:45:48,719 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:45:48,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:45:48,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1260093074, now seen corresponding path program 1 times [2024-11-23 18:45:48,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:45:48,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967060805] [2024-11-23 18:45:48,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:45:48,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:46:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-11-23 18:46:11,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:46:11,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967060805] [2024-11-23 18:46:11,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967060805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:11,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:11,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:46:12,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665121079] [2024-11-23 18:46:12,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:12,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:46:12,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:46:12,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:46:12,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:46:12,001 INFO L87 Difference]: Start difference. First operand 9447 states and 12911 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-23 18:46:12,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:12,728 INFO L93 Difference]: Finished difference Result 9453 states and 12916 transitions. [2024-11-23 18:46:12,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:46:12,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2024-11-23 18:46:12,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:12,794 INFO L225 Difference]: With dead ends: 9453 [2024-11-23 18:46:12,794 INFO L226 Difference]: Without dead ends: 9451 [2024-11-23 18:46:12,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:46:12,803 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2419 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:12,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:46:12,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9451 states. [2024-11-23 18:46:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9451 to 9451. [2024-11-23 18:46:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9451 states, 6551 states have (on average 1.284078766600519) internal successors, (8412), 6589 states have internal predecessors, (8412), 2253 states have call successors, (2253), 645 states have call predecessors, (2253), 644 states have return successors, (2249), 2232 states have call predecessors, (2249), 2249 states have call successors, (2249) [2024-11-23 18:46:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9451 states to 9451 states and 12914 transitions. [2024-11-23 18:46:13,487 INFO L78 Accepts]: Start accepts. Automaton has 9451 states and 12914 transitions. Word has length 327 [2024-11-23 18:46:13,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:13,488 INFO L471 AbstractCegarLoop]: Abstraction has 9451 states and 12914 transitions. [2024-11-23 18:46:13,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-23 18:46:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9451 states and 12914 transitions. [2024-11-23 18:46:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-23 18:46:13,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:13,496 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:13,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:46:13,497 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:46:13,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:13,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1557615133, now seen corresponding path program 1 times [2024-11-23 18:46:13,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:46:13,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586834137] [2024-11-23 18:46:13,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:13,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:46:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:46:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1841 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2024-11-23 18:46:37,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:46:37,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586834137] [2024-11-23 18:46:37,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586834137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:46:37,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:46:37,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:46:37,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282754889] [2024-11-23 18:46:37,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:46:37,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:46:37,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:46:37,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:46:37,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:46:37,794 INFO L87 Difference]: Start difference. First operand 9451 states and 12914 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:46:41,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:46:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:46:44,002 INFO L93 Difference]: Finished difference Result 22499 states and 30851 transitions. [2024-11-23 18:46:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:46:44,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 342 [2024-11-23 18:46:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:46:44,091 INFO L225 Difference]: With dead ends: 22499 [2024-11-23 18:46:44,091 INFO L226 Difference]: Without dead ends: 13539 [2024-11-23 18:46:44,132 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 [2024-11-23 18:46:44,133 INFO L435 NwaCegarLoop]: 4659 mSDtfsCounter, 2199 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 7119 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:46:44,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 7119 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-23 18:46:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13539 states. [2024-11-23 18:46:45,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13539 to 13500. [2024-11-23 18:46:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13500 states, 9384 states have (on average 1.287936913895993) internal successors, (12086), 9428 states have internal predecessors, (12086), 3208 states have call successors, (3208), 906 states have call predecessors, (3208), 905 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-23 18:46:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13500 states to 13500 states and 18498 transitions. [2024-11-23 18:46:45,128 INFO L78 Accepts]: Start accepts. Automaton has 13500 states and 18498 transitions. Word has length 342 [2024-11-23 18:46:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:46:45,129 INFO L471 AbstractCegarLoop]: Abstraction has 13500 states and 18498 transitions. [2024-11-23 18:46:45,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:46:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13500 states and 18498 transitions. [2024-11-23 18:46:45,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-23 18:46:45,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:46:45,136 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:46:45,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:46:45,137 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:46:45,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:46:45,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2011383165, now seen corresponding path program 1 times [2024-11-23 18:46:45,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:46:45,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963070226] [2024-11-23 18:46:45,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:46:45,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:47:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2024-11-23 18:47:07,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:47:07,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963070226] [2024-11-23 18:47:07,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963070226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:07,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:07,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:07,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191850963] [2024-11-23 18:47:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:07,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:07,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:47:07,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:07,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:07,728 INFO L87 Difference]: Start difference. First operand 13500 states and 18498 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-23 18:47:08,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:08,671 INFO L93 Difference]: Finished difference Result 13506 states and 18503 transitions. [2024-11-23 18:47:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:08,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 332 [2024-11-23 18:47:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:08,750 INFO L225 Difference]: With dead ends: 13506 [2024-11-23 18:47:08,750 INFO L226 Difference]: Without dead ends: 13504 [2024-11-23 18:47:08,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:47:08,760 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2418 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 7476 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:08,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:47:08,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13504 states. [2024-11-23 18:47:09,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 13504. [2024-11-23 18:47:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13504 states, 9387 states have (on average 1.2878448918717376) internal successors, (12089), 9431 states have internal predecessors, (12089), 3208 states have call successors, (3208), 907 states have call predecessors, (3208), 906 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-23 18:47:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13504 states to 13504 states and 18501 transitions. [2024-11-23 18:47:09,886 INFO L78 Accepts]: Start accepts. Automaton has 13504 states and 18501 transitions. Word has length 332 [2024-11-23 18:47:09,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:09,887 INFO L471 AbstractCegarLoop]: Abstraction has 13504 states and 18501 transitions. [2024-11-23 18:47:09,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-23 18:47:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 13504 states and 18501 transitions. [2024-11-23 18:47:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-23 18:47:09,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:09,895 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:09,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:47:09,895 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:47:09,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:09,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1611857486, now seen corresponding path program 1 times [2024-11-23 18:47:09,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:47:09,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850649817] [2024-11-23 18:47:09,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:09,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:47:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2024-11-23 18:47:31,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:47:31,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850649817] [2024-11-23 18:47:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850649817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:31,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:31,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:31,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486029934] [2024-11-23 18:47:31,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:31,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:31,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:47:31,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:31,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:31,241 INFO L87 Difference]: Start difference. First operand 13504 states and 18501 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:47:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:32,586 INFO L93 Difference]: Finished difference Result 13608 states and 18597 transitions. [2024-11-23 18:47:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:32,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 337 [2024-11-23 18:47:32,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:32,706 INFO L225 Difference]: With dead ends: 13608 [2024-11-23 18:47:32,707 INFO L226 Difference]: Without dead ends: 13606 [2024-11-23 18:47:32,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:47:32,718 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 2396 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 7499 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:32,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 7499 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:47:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13606 states. [2024-11-23 18:47:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13606 to 13604. [2024-11-23 18:47:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13604 states, 9462 states have (on average 1.2874656520820122) internal successors, (12182), 9506 states have internal predecessors, (12182), 3208 states have call successors, (3208), 932 states have call predecessors, (3208), 931 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-23 18:47:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13604 states to 13604 states and 18594 transitions. [2024-11-23 18:47:33,700 INFO L78 Accepts]: Start accepts. Automaton has 13604 states and 18594 transitions. Word has length 337 [2024-11-23 18:47:33,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:33,701 INFO L471 AbstractCegarLoop]: Abstraction has 13604 states and 18594 transitions. [2024-11-23 18:47:33,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:47:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 13604 states and 18594 transitions. [2024-11-23 18:47:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-23 18:47:33,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:33,707 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 8, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:33,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:47:33,707 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:47:33,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:33,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1055688413, now seen corresponding path program 1 times [2024-11-23 18:47:33,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:47:33,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428845186] [2024-11-23 18:47:33,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:33,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:47:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:47:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2024-11-23 18:47:56,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:47:56,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428845186] [2024-11-23 18:47:56,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428845186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:47:56,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:47:56,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:47:56,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715929214] [2024-11-23 18:47:56,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:47:56,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:47:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:47:56,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:47:56,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:47:56,584 INFO L87 Difference]: Start difference. First operand 13604 states and 18594 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:47:57,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:47:57,744 INFO L93 Difference]: Finished difference Result 13664 states and 18639 transitions. [2024-11-23 18:47:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:47:57,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 342 [2024-11-23 18:47:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:47:57,831 INFO L225 Difference]: With dead ends: 13664 [2024-11-23 18:47:57,831 INFO L226 Difference]: Without dead ends: 13660 [2024-11-23 18:47:57,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:47:57,845 INFO L435 NwaCegarLoop]: 2502 mSDtfsCounter, 2403 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 7506 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:47:57,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 7506 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:47:57,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2024-11-23 18:47:58,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 13658. [2024-11-23 18:47:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13658 states, 9503 states have (on average 1.286120172577081) internal successors, (12222), 9546 states have internal predecessors, (12222), 3208 states have call successors, (3208), 946 states have call predecessors, (3208), 944 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-23 18:47:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13658 states to 13658 states and 18634 transitions. [2024-11-23 18:47:58,894 INFO L78 Accepts]: Start accepts. Automaton has 13658 states and 18634 transitions. Word has length 342 [2024-11-23 18:47:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:47:58,894 INFO L471 AbstractCegarLoop]: Abstraction has 13658 states and 18634 transitions. [2024-11-23 18:47:58,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:47:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 13658 states and 18634 transitions. [2024-11-23 18:47:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-23 18:47:58,901 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:47:58,901 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 9, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:47:58,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:47:58,901 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:47:58,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:47:58,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1696296146, now seen corresponding path program 1 times [2024-11-23 18:47:58,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:47:58,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808156175] [2024-11-23 18:47:58,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:47:58,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:48:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked. [2024-11-23 18:48:20,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:48:20,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808156175] [2024-11-23 18:48:20,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808156175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:20,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:20,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:48:20,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008982462] [2024-11-23 18:48:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:20,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:48:20,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:48:20,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:48:20,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:48:20,891 INFO L87 Difference]: Start difference. First operand 13658 states and 18634 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:48:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:21,903 INFO L93 Difference]: Finished difference Result 13658 states and 18634 transitions. [2024-11-23 18:48:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:48:21,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 347 [2024-11-23 18:48:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:21,974 INFO L225 Difference]: With dead ends: 13658 [2024-11-23 18:48:21,974 INFO L226 Difference]: Without dead ends: 13470 [2024-11-23 18:48:21,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:48:21,989 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 2412 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 7472 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:21,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 7472 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:48:22,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13470 states. [2024-11-23 18:48:23,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13470 to 13470. [2024-11-23 18:48:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13470 states, 9376 states have (on average 1.287862627986348) internal successors, (12075), 9403 states have internal predecessors, (12075), 3168 states have call successors, (3168), 924 states have call predecessors, (3168), 924 states have return successors, (3168), 3160 states have call predecessors, (3168), 3168 states have call successors, (3168) [2024-11-23 18:48:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13470 states to 13470 states and 18411 transitions. [2024-11-23 18:48:23,274 INFO L78 Accepts]: Start accepts. Automaton has 13470 states and 18411 transitions. Word has length 347 [2024-11-23 18:48:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:23,275 INFO L471 AbstractCegarLoop]: Abstraction has 13470 states and 18411 transitions. [2024-11-23 18:48:23,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:48:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 13470 states and 18411 transitions. [2024-11-23 18:48:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-11-23 18:48:23,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:23,279 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:23,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:48:23,279 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:48:23,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:23,280 INFO L85 PathProgramCache]: Analyzing trace with hash 644155835, now seen corresponding path program 1 times [2024-11-23 18:48:23,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:48:23,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831253415] [2024-11-23 18:48:23,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:23,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:48:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:48:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-11-23 18:48:44,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:48:44,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831253415] [2024-11-23 18:48:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831253415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:48:44,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:48:44,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:48:44,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70746754] [2024-11-23 18:48:44,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:48:44,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:48:44,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:48:44,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:48:44,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:48:44,584 INFO L87 Difference]: Start difference. First operand 13470 states and 18411 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:48:48,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:48:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:48:51,059 INFO L93 Difference]: Finished difference Result 37153 states and 50913 transitions. [2024-11-23 18:48:51,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:48:51,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 372 [2024-11-23 18:48:51,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:48:51,155 INFO L225 Difference]: With dead ends: 37153 [2024-11-23 18:48:51,155 INFO L226 Difference]: Without dead ends: 23688 [2024-11-23 18:48:51,219 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 [2024-11-23 18:48:51,219 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 2244 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 4915 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:48:51,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 4915 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 18:48:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23688 states. [2024-11-23 18:48:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23688 to 23676. [2024-11-23 18:48:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23676 states, 16618 states have (on average 1.2892646527861356) internal successors, (21425), 16679 states have internal predecessors, (21425), 5471 states have call successors, (5471), 1585 states have call predecessors, (5471), 1585 states have return successors, (5471), 5447 states have call predecessors, (5471), 5471 states have call successors, (5471) [2024-11-23 18:48:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23676 states to 23676 states and 32367 transitions. [2024-11-23 18:48:52,963 INFO L78 Accepts]: Start accepts. Automaton has 23676 states and 32367 transitions. Word has length 372 [2024-11-23 18:48:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:48:52,964 INFO L471 AbstractCegarLoop]: Abstraction has 23676 states and 32367 transitions. [2024-11-23 18:48:52,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:48:52,964 INFO L276 IsEmpty]: Start isEmpty. Operand 23676 states and 32367 transitions. [2024-11-23 18:48:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-11-23 18:48:52,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:48:52,968 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:48:52,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:48:52,969 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:48:52,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:48:52,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1172048638, now seen corresponding path program 1 times [2024-11-23 18:48:52,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:48:52,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113497761] [2024-11-23 18:48:52,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:48:52,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:49:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:49:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-11-23 18:49:15,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:49:15,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113497761] [2024-11-23 18:49:15,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113497761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:49:15,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:49:15,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:49:15,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402194518] [2024-11-23 18:49:15,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:49:15,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:49:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:49:15,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:49:15,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:49:15,992 INFO L87 Difference]: Start difference. First operand 23676 states and 32367 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:49:20,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:49:22,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:49:22,919 INFO L93 Difference]: Finished difference Result 54649 states and 74809 transitions. [2024-11-23 18:49:22,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:49:22,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 396 [2024-11-23 18:49:22,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:49:23,050 INFO L225 Difference]: With dead ends: 54649 [2024-11-23 18:49:23,050 INFO L226 Difference]: Without dead ends: 31091 [2024-11-23 18:49:23,130 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 [2024-11-23 18:49:23,130 INFO L435 NwaCegarLoop]: 4555 mSDtfsCounter, 2172 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 6964 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:49:23,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 6964 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 18:49:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31091 states. [2024-11-23 18:49:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31091 to 31087. [2024-11-23 18:49:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31087 states, 21847 states have (on average 1.2907493019636564) internal successors, (28199), 21920 states have internal predecessors, (28199), 7168 states have call successors, (7168), 2070 states have call predecessors, (7168), 2070 states have return successors, (7168), 7144 states have call predecessors, (7168), 7168 states have call successors, (7168) [2024-11-23 18:49:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31087 states to 31087 states and 42535 transitions. [2024-11-23 18:49:25,507 INFO L78 Accepts]: Start accepts. Automaton has 31087 states and 42535 transitions. Word has length 396 [2024-11-23 18:49:25,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:49:25,508 INFO L471 AbstractCegarLoop]: Abstraction has 31087 states and 42535 transitions. [2024-11-23 18:49:25,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:49:25,508 INFO L276 IsEmpty]: Start isEmpty. Operand 31087 states and 42535 transitions. [2024-11-23 18:49:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-23 18:49:25,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:49:25,514 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:49:25,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:49:25,514 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:49:25,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:49:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1829955048, now seen corresponding path program 1 times [2024-11-23 18:49:25,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:49:25,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918332268] [2024-11-23 18:49:25,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:49:25,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:49:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:49:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-11-23 18:49:52,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:49:52,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918332268] [2024-11-23 18:49:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918332268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:49:52,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:49:52,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:49:52,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705354756] [2024-11-23 18:49:52,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:49:52,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:49:52,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:49:52,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:49:52,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:49:52,444 INFO L87 Difference]: Start difference. First operand 31087 states and 42535 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:49:56,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:50:00,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:00,441 INFO L93 Difference]: Finished difference Result 69419 states and 95046 transitions. [2024-11-23 18:50:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:50:00,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 389 [2024-11-23 18:50:00,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:00,928 INFO L225 Difference]: With dead ends: 69419 [2024-11-23 18:50:00,928 INFO L226 Difference]: Without dead ends: 38367 [2024-11-23 18:50:01,135 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 [2024-11-23 18:50:01,137 INFO L435 NwaCegarLoop]: 4536 mSDtfsCounter, 2165 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 6949 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:01,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 6949 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-23 18:50:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38367 states. [2024-11-23 18:50:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38367 to 31087. [2024-11-23 18:50:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31087 states, 21847 states have (on average 1.2907035290886621) internal successors, (28198), 21920 states have internal predecessors, (28198), 7168 states have call successors, (7168), 2070 states have call predecessors, (7168), 2070 states have return successors, (7168), 7144 states have call predecessors, (7168), 7168 states have call successors, (7168) [2024-11-23 18:50:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31087 states to 31087 states and 42534 transitions. [2024-11-23 18:50:07,032 INFO L78 Accepts]: Start accepts. Automaton has 31087 states and 42534 transitions. Word has length 389 [2024-11-23 18:50:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:07,035 INFO L471 AbstractCegarLoop]: Abstraction has 31087 states and 42534 transitions. [2024-11-23 18:50:07,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:50:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 31087 states and 42534 transitions. [2024-11-23 18:50:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2024-11-23 18:50:07,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:07,108 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:07,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 18:50:07,113 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:50:07,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1625904149, now seen corresponding path program 1 times [2024-11-23 18:50:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:50:07,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983399723] [2024-11-23 18:50:07,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:07,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:50:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:50:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 2144 trivial. 0 not checked. [2024-11-23 18:50:34,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:50:34,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983399723] [2024-11-23 18:50:34,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983399723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:50:34,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:50:34,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:50:34,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243681455] [2024-11-23 18:50:34,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:50:34,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:50:34,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:50:34,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:50:34,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:50:34,354 INFO L87 Difference]: Start difference. First operand 31087 states and 42534 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:50:38,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:50:42,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:50:42,615 INFO L93 Difference]: Finished difference Result 69459 states and 95123 transitions. [2024-11-23 18:50:42,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:50:42,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 417 [2024-11-23 18:50:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:50:43,153 INFO L225 Difference]: With dead ends: 69459 [2024-11-23 18:50:43,153 INFO L226 Difference]: Without dead ends: 38490 [2024-11-23 18:50:43,416 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 [2024-11-23 18:50:43,417 INFO L435 NwaCegarLoop]: 3208 mSDtfsCounter, 2171 mSDsluCounter, 2409 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 5617 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:50:43,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 5617 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-23 18:50:43,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38490 states. [2024-11-23 18:50:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38490 to 38486. [2024-11-23 18:50:48,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38486 states, 27064 states have (on average 1.2917528820573456) internal successors, (34960), 27149 states have internal predecessors, (34960), 8865 states have call successors, (8865), 2555 states have call predecessors, (8865), 2555 states have return successors, (8865), 8841 states have call predecessors, (8865), 8865 states have call successors, (8865) [2024-11-23 18:50:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38486 states to 38486 states and 52690 transitions. [2024-11-23 18:50:49,156 INFO L78 Accepts]: Start accepts. Automaton has 38486 states and 52690 transitions. Word has length 417 [2024-11-23 18:50:49,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:50:49,157 INFO L471 AbstractCegarLoop]: Abstraction has 38486 states and 52690 transitions. [2024-11-23 18:50:49,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:50:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 38486 states and 52690 transitions. [2024-11-23 18:50:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2024-11-23 18:50:49,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:50:49,206 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:50:49,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 18:50:49,207 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:50:49,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:50:49,210 INFO L85 PathProgramCache]: Analyzing trace with hash -839819848, now seen corresponding path program 1 times [2024-11-23 18:50:49,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:50:49,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128138564] [2024-11-23 18:50:49,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:50:49,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:51:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:51:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2252 trivial. 0 not checked. [2024-11-23 18:51:16,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:51:16,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128138564] [2024-11-23 18:51:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128138564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:51:16,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:51:16,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:51:16,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335874038] [2024-11-23 18:51:16,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:51:16,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:51:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:51:16,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:51:16,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:51:16,586 INFO L87 Difference]: Start difference. First operand 38486 states and 52690 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:51:20,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:51:26,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:51:26,465 INFO L93 Difference]: Finished difference Result 85008 states and 115826 transitions. [2024-11-23 18:51:26,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:51:26,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 438 [2024-11-23 18:51:26,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:51:27,116 INFO L225 Difference]: With dead ends: 85008 [2024-11-23 18:51:27,116 INFO L226 Difference]: Without dead ends: 46640 [2024-11-23 18:51:27,432 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 [2024-11-23 18:51:27,433 INFO L435 NwaCegarLoop]: 2703 mSDtfsCounter, 979 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 5034 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-23 18:51:27,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 5034 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-23 18:51:27,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46640 states. [2024-11-23 18:51:31,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46640 to 46628. [2024-11-23 18:51:31,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46628 states, 32843 states have (on average 1.2819169990561154) internal successors, (42102), 32944 states have internal predecessors, (42102), 10494 states have call successors, (10494), 3289 states have call predecessors, (10494), 3289 states have return successors, (10494), 10454 states have call predecessors, (10494), 10494 states have call successors, (10494) [2024-11-23 18:51:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46628 states to 46628 states and 63090 transitions. [2024-11-23 18:51:32,180 INFO L78 Accepts]: Start accepts. Automaton has 46628 states and 63090 transitions. Word has length 438 [2024-11-23 18:51:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:51:32,183 INFO L471 AbstractCegarLoop]: Abstraction has 46628 states and 63090 transitions. [2024-11-23 18:51:32,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:51:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 46628 states and 63090 transitions. [2024-11-23 18:51:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2024-11-23 18:51:32,202 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:51:32,202 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 19, 19, 19, 19, 19, 19, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:51:32,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 18:51:32,203 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:51:32,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:51:32,204 INFO L85 PathProgramCache]: Analyzing trace with hash 710720841, now seen corresponding path program 1 times [2024-11-23 18:51:32,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:51:32,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261313896] [2024-11-23 18:51:32,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:51:32,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:51:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:51:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2024-11-23 18:51:58,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:51:58,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261313896] [2024-11-23 18:51:58,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261313896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:51:58,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:51:58,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:51:58,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506346834] [2024-11-23 18:51:58,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:51:58,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:51:58,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:51:58,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:51:58,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:51:58,570 INFO L87 Difference]: Start difference. First operand 46628 states and 63090 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:52:02,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:52:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:52:09,610 INFO L93 Difference]: Finished difference Result 114039 states and 154444 transitions. [2024-11-23 18:52:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:52:09,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2024-11-23 18:52:09,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:52:10,173 INFO L225 Difference]: With dead ends: 114039 [2024-11-23 18:52:10,174 INFO L226 Difference]: Without dead ends: 67529 [2024-11-23 18:52:10,377 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 [2024-11-23 18:52:10,378 INFO L435 NwaCegarLoop]: 4684 mSDtfsCounter, 2251 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:52:10,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 7102 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 18:52:10,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67529 states. [2024-11-23 18:52:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67529 to 67513. [2024-11-23 18:52:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67513 states, 47462 states have (on average 1.2802452488306435) internal successors, (60763), 47619 states have internal predecessors, (60763), 15300 states have call successors, (15300), 4749 states have call predecessors, (15300), 4749 states have return successors, (15300), 15234 states have call predecessors, (15300), 15300 states have call successors, (15300) [2024-11-23 18:52:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67513 states to 67513 states and 91363 transitions. [2024-11-23 18:52:18,156 INFO L78 Accepts]: Start accepts. Automaton has 67513 states and 91363 transitions. Word has length 430 [2024-11-23 18:52:18,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:52:18,157 INFO L471 AbstractCegarLoop]: Abstraction has 67513 states and 91363 transitions. [2024-11-23 18:52:18,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-23 18:52:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 67513 states and 91363 transitions. [2024-11-23 18:52:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-23 18:52:18,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:52:18,178 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:52:18,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 18:52:18,179 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:52:18,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:52:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1799646911, now seen corresponding path program 1 times [2024-11-23 18:52:18,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:52:18,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109581866] [2024-11-23 18:52:18,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:52:18,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:52:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:52:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2509 trivial. 0 not checked. [2024-11-23 18:52:41,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:52:41,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109581866] [2024-11-23 18:52:41,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109581866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:52:41,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:52:41,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:52:41,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246639673] [2024-11-23 18:52:41,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:52:41,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:52:41,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:52:41,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:52:41,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:52:41,218 INFO L87 Difference]: Start difference. First operand 67513 states and 91363 transitions. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:52:45,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:52:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:52:53,661 INFO L93 Difference]: Finished difference Result 155569 states and 210600 transitions. [2024-11-23 18:52:53,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:52:53,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 462 [2024-11-23 18:52:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:52:54,193 INFO L225 Difference]: With dead ends: 155569 [2024-11-23 18:52:54,193 INFO L226 Difference]: Without dead ends: 88115 [2024-11-23 18:52:54,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:52:54,947 INFO L435 NwaCegarLoop]: 4684 mSDtfsCounter, 2236 mSDsluCounter, 11779 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 16463 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:52:54,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2236 Valid, 16463 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 18:52:55,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88115 states. [2024-11-23 18:53:02,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88115 to 88039. [2024-11-23 18:53:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88039 states, 61766 states have (on average 1.2796360457209468) internal successors, (79038), 61979 states have internal predecessors, (79038), 20064 states have call successors, (20064), 6178 states have call predecessors, (20064), 6207 states have return successors, (20093), 20001 states have call predecessors, (20093), 20064 states have call successors, (20093) [2024-11-23 18:53:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88039 states to 88039 states and 119195 transitions. [2024-11-23 18:53:03,351 INFO L78 Accepts]: Start accepts. Automaton has 88039 states and 119195 transitions. Word has length 462 [2024-11-23 18:53:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:53:03,352 INFO L471 AbstractCegarLoop]: Abstraction has 88039 states and 119195 transitions. [2024-11-23 18:53:03,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:53:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 88039 states and 119195 transitions. [2024-11-23 18:53:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-11-23 18:53:03,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:53:03,377 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 19, 19, 19, 19, 19, 19, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:53:03,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 18:53:03,378 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:53:03,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:53:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1708937872, now seen corresponding path program 1 times [2024-11-23 18:53:03,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:53:03,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023293284] [2024-11-23 18:53:03,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:53:03,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:53:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:53:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2534 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 2509 trivial. 0 not checked. [2024-11-23 18:53:27,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:53:27,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023293284] [2024-11-23 18:53:27,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023293284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:53:27,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:53:27,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:53:27,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274478193] [2024-11-23 18:53:27,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:53:27,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:53:27,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:53:27,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:53:27,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:53:27,598 INFO L87 Difference]: Start difference. First operand 88039 states and 119195 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:53:31,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:53:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:53:39,890 INFO L93 Difference]: Finished difference Result 198560 states and 268696 transitions. [2024-11-23 18:53:39,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:53:39,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 463 [2024-11-23 18:53:39,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:53:40,415 INFO L225 Difference]: With dead ends: 198560 [2024-11-23 18:53:40,415 INFO L226 Difference]: Without dead ends: 110639 [2024-11-23 18:53:40,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:53:40,946 INFO L435 NwaCegarLoop]: 4500 mSDtfsCounter, 2261 mSDsluCounter, 11386 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2261 SdHoareTripleChecker+Valid, 15886 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:53:40,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2261 Valid, 15886 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 18:53:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110639 states.