./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/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_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-27 20:22:02,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:22:02,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:22:02,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:22:02,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:22:02,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:22:02,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:22:02,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:22:02,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:22:02,369 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:22:02,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:22:02,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:22:02,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:22:02,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:22:02,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:22:02,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:22:02,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:22:02,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:22:02,374 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:22:02,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:22:02,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:22:02,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:22:02,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:02,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:22:02,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:22:02,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:22:02,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:22:02,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:02,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:22:02,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:22:02,376 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:22:02,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:22:02,377 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_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-27 20:22:02,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:22:02,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:22:02,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:22:02,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:22:02,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:22:02,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-27 20:22:05,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/data/780df080d/f81d9ba5e68e48ed9126e2d382b1fac6/FLAGc242033c4 [2024-11-27 20:22:06,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:22:06,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-27 20:22:06,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/data/780df080d/f81d9ba5e68e48ed9126e2d382b1fac6/FLAGc242033c4 [2024-11-27 20:22:06,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/data/780df080d/f81d9ba5e68e48ed9126e2d382b1fac6 [2024-11-27 20:22:06,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:22:06,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:22:06,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:06,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:22:06,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:22:06,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:06" (1/1) ... [2024-11-27 20:22:06,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465cad0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:06, skipping insertion in model container [2024-11-27 20:22:06,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:22:06" (1/1) ... [2024-11-27 20:22:06,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:22:09,608 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:09,612 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:09,613 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:09,614 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:09,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:09,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:22:09,853 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] [2024-11-27 20:22:09,855 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] [2024-11-27 20:22:09,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4795] [2024-11-27 20:22:09,864 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] [2024-11-27 20:22:10,212 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:10,213 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:10,213 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:10,214 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_377c32db-d849-4344-a277-55fd980aee0e/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] [2024-11-27 20:22:10,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:22:10,600 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:22:10,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10 WrapperNode [2024-11-27 20:22:10,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:22:10,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:10,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:22:10,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:22:10,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:10,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:10,913 INFO L138 Inliner]: procedures = 424, calls = 2633, calls flagged for inlining = 194, calls inlined = 144, statements flattened = 5138 [2024-11-27 20:22:10,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:22:10,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:22:10,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:22:10,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:22:10,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:10,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:10,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:11,894 INFO L175 MemorySlicer]: Split 941 memory accesses to 19 slices as follows [2, 4, 2, 1, 2, 12, 3, 3, 2, 3, 2, 16, 0, 8, 2, 2, 2, 2, 873]. 93 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [0, 0, 0, 1, 2, 8, 3, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 22]. The 664 writes are split as follows [1, 2, 0, 0, 0, 0, 0, 3, 1, 0, 2, 14, 0, 0, 1, 1, 2, 0, 637]. [2024-11-27 20:22:11,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:11,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,080 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:22:12,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:22:12,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:22:12,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:22:12,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (1/1) ... [2024-11-27 20:22:12,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:22:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:22:12,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:22:12,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c32db-d849-4344-a277-55fd980aee0e/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:22:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-27 20:22:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-27 20:22:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:22:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:22:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2024-11-27 20:22:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2024-11-27 20:22:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:22:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:22:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:22:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:22:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-27 20:22:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-27 20:22:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2024-11-27 20:22:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2024-11-27 20:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 20:22:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 20:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2024-11-27 20:22:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2024-11-27 20:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2024-11-27 20:22:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2024-11-27 20:22:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-11-27 20:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-11-27 20:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-27 20:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-27 20:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2024-11-27 20:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2024-11-27 20:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2024-11-27 20:22:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2024-11-27 20:22:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 20:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2024-11-27 20:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2024-11-27 20:22:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:22:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 20:22:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-27 20:22:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-27 20:22:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:22:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:22:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:22:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2024-11-27 20:22:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:22:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:22:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:22:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:22:12,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:22:12,388 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:22:12,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:22:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-27 20:22:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-27 20:22:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2024-11-27 20:22:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2024-11-27 20:22:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2024-11-27 20:22:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2024-11-27 20:22:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-27 20:22:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:22:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:22:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:22:12,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:22:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:22:12,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-27 20:22:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-27 20:22:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2024-11-27 20:22:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2024-11-27 20:22:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-27 20:22:12,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:22:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-11-27 20:22:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-11-27 20:22:12,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-11-27 20:22:12,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-11-27 20:22:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-27 20:22:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-27 20:22:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2024-11-27 20:22:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2024-11-27 20:22:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2024-11-27 20:22:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2024-11-27 20:22:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:22:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:22:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:22:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 20:22:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 20:22:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2024-11-27 20:22:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2024-11-27 20:22:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:22:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-27 20:22:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:22:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-27 20:22:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-27 20:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-27 20:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-27 20:22:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-27 20:22:12,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-27 20:22:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-27 20:22:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-27 20:22:12,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 20:22:12,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-27 20:22:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2024-11-27 20:22:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-11-27 20:22:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-11-27 20:22:12,415 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-11-27 20:22:12,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-11-27 20:22:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2024-11-27 20:22:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2024-11-27 20:22:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2024-11-27 20:22:12,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:22:12,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2024-11-27 20:22:12,417 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2024-11-27 20:22:12,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2024-11-27 20:22:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2024-11-27 20:22:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2024-11-27 20:22:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 20:22:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 20:22:12,418 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 20:22:12,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 20:22:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-27 20:22:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-27 20:22:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:22:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:22:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 20:22:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 20:22:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2024-11-27 20:22:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2024-11-27 20:22:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2024-11-27 20:22:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2024-11-27 20:22:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2024-11-27 20:22:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2024-11-27 20:22:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-27 20:22:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-27 20:22:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:22:12,420 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-27 20:22:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:22:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-27 20:22:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:22:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2024-11-27 20:22:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-27 20:22:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-27 20:22:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2024-11-27 20:22:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2024-11-27 20:22:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2024-11-27 20:22:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2024-11-27 20:22:12,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:22:12,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:22:12,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 20:22:12,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 20:22:13,583 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:22:13,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:22:14,859 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:22:35,450 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 20:22:36,620 INFO L? ?]: Removed 2414 outVars from TransFormulas that were not future-live. [2024-11-27 20:22:36,621 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:22:36,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:22:36,700 INFO L312 CfgBuilder]: Removed 22 assume(true) statements. [2024-11-27 20:22:36,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:36 BoogieIcfgContainer [2024-11-27 20:22:36,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:22:36,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:22:36,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:22:36,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:22:36,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:22:06" (1/3) ... [2024-11-27 20:22:36,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77de5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:36, skipping insertion in model container [2024-11-27 20:22:36,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:22:10" (2/3) ... [2024-11-27 20:22:36,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77de5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:22:36, skipping insertion in model container [2024-11-27 20:22:36,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:22:36" (3/3) ... [2024-11-27 20:22:36,721 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2024-11-27 20:22:36,743 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:22:36,748 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. [2024-11-27 20:22:36,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:22:36,898 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;@4190058d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:22:36,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-27 20:22:36,911 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) [2024-11-27 20:22:36,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-27 20:22:36,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:22:36,947 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] [2024-11-27 20:22:36,948 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)] === [2024-11-27 20:22:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:22:36,954 INFO L85 PathProgramCache]: Analyzing trace with hash 846856540, now seen corresponding path program 1 times [2024-11-27 20:22:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:22:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511625598] [2024-11-27 20:22:36,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:22:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:22:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:23:01,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-27 20:23:01,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:23:01,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511625598] [2024-11-27 20:23:01,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511625598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:23:01,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:23:01,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:23:01,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969884565] [2024-11-27 20:23:01,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:23:01,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:23:01,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:23:01,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:23:01,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:23:01,520 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) [2024-11-27 20:23:05,666 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 [] [2024-11-27 20:23:06,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:23:06,933 INFO L93 Difference]: Finished difference Result 5485 states and 8017 transitions. [2024-11-27 20:23:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:23:06,936 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 [2024-11-27 20:23:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:23:06,996 INFO L225 Difference]: With dead ends: 5485 [2024-11-27 20:23:06,997 INFO L226 Difference]: Without dead ends: 3593 [2024-11-27 20:23:07,027 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 [2024-11-27 20:23:07,030 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 [2024-11-27 20:23:07,034 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] [2024-11-27 20:23:07,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3593 states. [2024-11-27 20:23:07,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3593 to 3589. [2024-11-27 20:23:07,406 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) [2024-11-27 20:23:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5061 transitions. [2024-11-27 20:23:07,464 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5061 transitions. Word has length 241 [2024-11-27 20:23:07,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:23:07,469 INFO L471 AbstractCegarLoop]: Abstraction has 3589 states and 5061 transitions. [2024-11-27 20:23:07,470 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) [2024-11-27 20:23:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5061 transitions. [2024-11-27 20:23:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-27 20:23:07,483 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:23:07,483 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] [2024-11-27 20:23:07,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:23:07,488 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)] === [2024-11-27 20:23:07,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:23:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash 495216677, now seen corresponding path program 1 times [2024-11-27 20:23:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:23:07,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074748122] [2024-11-27 20:23:07,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:23:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:23:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:23:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-27 20:23:33,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:23:33,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074748122] [2024-11-27 20:23:33,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074748122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:23:33,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:23:33,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:23:33,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490946765] [2024-11-27 20:23:33,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:23:33,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:23:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:23:33,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:23:33,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:23:33,981 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) [2024-11-27 20:23:38,097 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 [] [2024-11-27 20:23:38,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:23:38,820 INFO L93 Difference]: Finished difference Result 6898 states and 9704 transitions. [2024-11-27 20:23:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:23:38,821 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 [2024-11-27 20:23:38,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:23:38,848 INFO L225 Difference]: With dead ends: 6898 [2024-11-27 20:23:38,848 INFO L226 Difference]: Without dead ends: 3352 [2024-11-27 20:23:38,866 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 [2024-11-27 20:23:38,868 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, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:23:38,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 2599 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 20:23:38,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2024-11-27 20:23:39,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2024-11-27 20:23:39,072 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) [2024-11-27 20:23:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4701 transitions. [2024-11-27 20:23:39,104 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4701 transitions. Word has length 257 [2024-11-27 20:23:39,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:23:39,106 INFO L471 AbstractCegarLoop]: Abstraction has 3352 states and 4701 transitions. [2024-11-27 20:23:39,106 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) [2024-11-27 20:23:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4701 transitions. [2024-11-27 20:23:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-27 20:23:39,118 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:23:39,119 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] [2024-11-27 20:23:39,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:23:39,120 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)] === [2024-11-27 20:23:39,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:23:39,120 INFO L85 PathProgramCache]: Analyzing trace with hash -88704110, now seen corresponding path program 1 times [2024-11-27 20:23:39,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:23:39,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030895934] [2024-11-27 20:23:39,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:23:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-27 20:24:02,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:02,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030895934] [2024-11-27 20:24:02,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030895934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:02,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:02,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:02,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319549857] [2024-11-27 20:24:02,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:02,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:02,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:02,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:02,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:02,659 INFO L87 Difference]: Start difference. First operand 3352 states and 4701 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 20:24:06,774 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 [] [2024-11-27 20:24:07,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:07,763 INFO L93 Difference]: Finished difference Result 8233 states and 11544 transitions. [2024-11-27 20:24:07,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:07,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 267 [2024-11-27 20:24:07,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:07,807 INFO L225 Difference]: With dead ends: 8233 [2024-11-27 20:24:07,807 INFO L226 Difference]: Without dead ends: 4945 [2024-11-27 20:24:07,826 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 [2024-11-27 20:24:07,829 INFO L435 NwaCegarLoop]: 2521 mSDtfsCounter, 2294 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:07,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 4994 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 20:24:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2024-11-27 20:24:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4921. [2024-11-27 20:24:08,111 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) [2024-11-27 20:24:08,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 4921 states and 6888 transitions. [2024-11-27 20:24:08,148 INFO L78 Accepts]: Start accepts. Automaton has 4921 states and 6888 transitions. Word has length 267 [2024-11-27 20:24:08,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:08,149 INFO L471 AbstractCegarLoop]: Abstraction has 4921 states and 6888 transitions. [2024-11-27 20:24:08,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 20:24:08,150 INFO L276 IsEmpty]: Start isEmpty. Operand 4921 states and 6888 transitions. [2024-11-27 20:24:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-27 20:24:08,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:08,161 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] [2024-11-27 20:24:08,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:24:08,162 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)] === [2024-11-27 20:24:08,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:08,164 INFO L85 PathProgramCache]: Analyzing trace with hash 740857140, now seen corresponding path program 1 times [2024-11-27 20:24:08,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:08,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261262860] [2024-11-27 20:24:08,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:08,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1805 trivial. 0 not checked. [2024-11-27 20:24:32,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261262860] [2024-11-27 20:24:32,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261262860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:32,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:32,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:32,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118249677] [2024-11-27 20:24:32,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:32,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:32,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:32,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:32,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:32,029 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) [2024-11-27 20:24:36,141 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 [] [2024-11-27 20:24:37,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:37,813 INFO L93 Difference]: Finished difference Result 10269 states and 14184 transitions. [2024-11-27 20:24:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:37,814 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 [2024-11-27 20:24:37,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:37,860 INFO L225 Difference]: With dead ends: 10269 [2024-11-27 20:24:37,860 INFO L226 Difference]: Without dead ends: 5412 [2024-11-27 20:24:37,888 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 [2024-11-27 20:24:37,890 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 1006 mSDsluCounter, 2414 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 5.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:24:37,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 4929 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 88 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-11-27 20:24:37,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2024-11-27 20:24:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 5386. [2024-11-27 20:24:38,202 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) [2024-11-27 20:24:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 7319 transitions. [2024-11-27 20:24:38,242 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 7319 transitions. Word has length 326 [2024-11-27 20:24:38,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:38,245 INFO L471 AbstractCegarLoop]: Abstraction has 5386 states and 7319 transitions. [2024-11-27 20:24:38,249 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) [2024-11-27 20:24:38,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 7319 transitions. [2024-11-27 20:24:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-27 20:24:38,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:38,261 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] [2024-11-27 20:24:38,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:24:38,262 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)] === [2024-11-27 20:24:38,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:38,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1303837012, now seen corresponding path program 1 times [2024-11-27 20:24:38,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:38,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155047902] [2024-11-27 20:24:38,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:38,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2024-11-27 20:24:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155047902] [2024-11-27 20:24:59,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155047902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:59,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:59,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:59,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59170931] [2024-11-27 20:24:59,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:59,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:59,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:59,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:59,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:59,500 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) [2024-11-27 20:25:03,606 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 [] [2024-11-27 20:25:04,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:04,813 INFO L93 Difference]: Finished difference Result 14330 states and 19616 transitions. [2024-11-27 20:25:04,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:04,816 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 [2024-11-27 20:25:04,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:04,900 INFO L225 Difference]: With dead ends: 14330 [2024-11-27 20:25:04,901 INFO L226 Difference]: Without dead ends: 9435 [2024-11-27 20:25:04,930 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 [2024-11-27 20:25:04,931 INFO L435 NwaCegarLoop]: 4658 mSDtfsCounter, 2171 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:04,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 7116 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:25:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-11-27 20:25:05,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9431. [2024-11-27 20:25:05,422 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) [2024-11-27 20:25:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9431 states to 9431 states and 12899 transitions. [2024-11-27 20:25:05,483 INFO L78 Accepts]: Start accepts. Automaton has 9431 states and 12899 transitions. Word has length 307 [2024-11-27 20:25:05,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:05,484 INFO L471 AbstractCegarLoop]: Abstraction has 9431 states and 12899 transitions. [2024-11-27 20:25:05,485 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) [2024-11-27 20:25:05,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9431 states and 12899 transitions. [2024-11-27 20:25:05,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-27 20:25:05,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:05,491 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] [2024-11-27 20:25:05,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:25:05,491 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)] === [2024-11-27 20:25:05,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:05,492 INFO L85 PathProgramCache]: Analyzing trace with hash 82366382, now seen corresponding path program 1 times [2024-11-27 20:25:05,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:05,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766438580] [2024-11-27 20:25:05,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:05,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-27 20:25:28,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:28,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766438580] [2024-11-27 20:25:28,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766438580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:28,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:28,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:28,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511665334] [2024-11-27 20:25:28,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:28,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:28,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:28,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:28,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:28,026 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) [2024-11-27 20:25:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:28,753 INFO L93 Difference]: Finished difference Result 9437 states and 12904 transitions. [2024-11-27 20:25:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:28,754 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 [2024-11-27 20:25:28,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:28,818 INFO L225 Difference]: With dead ends: 9437 [2024-11-27 20:25:28,819 INFO L226 Difference]: Without dead ends: 9435 [2024-11-27 20:25:28,825 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 [2024-11-27 20:25:28,826 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:28,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 7472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:25:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2024-11-27 20:25:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9435. [2024-11-27 20:25:29,351 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) [2024-11-27 20:25:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 12902 transitions. [2024-11-27 20:25:29,407 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 12902 transitions. Word has length 307 [2024-11-27 20:25:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:29,407 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 12902 transitions. [2024-11-27 20:25:29,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (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) [2024-11-27 20:25:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 12902 transitions. [2024-11-27 20:25:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-27 20:25:29,414 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:29,414 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] [2024-11-27 20:25:29,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:25:29,415 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)] === [2024-11-27 20:25:29,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:29,415 INFO L85 PathProgramCache]: Analyzing trace with hash 559609155, now seen corresponding path program 1 times [2024-11-27 20:25:29,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:29,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326100689] [2024-11-27 20:25:29,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:29,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2024-11-27 20:25:52,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:52,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326100689] [2024-11-27 20:25:52,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326100689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:52,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:25:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830235143] [2024-11-27 20:25:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:52,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:25:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:52,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:25:52,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:25:52,189 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) [2024-11-27 20:25:53,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:53,009 INFO L93 Difference]: Finished difference Result 9441 states and 12907 transitions. [2024-11-27 20:25:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:53,010 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 [2024-11-27 20:25:53,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:53,062 INFO L225 Difference]: With dead ends: 9441 [2024-11-27 20:25:53,062 INFO L226 Difference]: Without dead ends: 9439 [2024-11-27 20:25:53,069 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 [2024-11-27 20:25:53,070 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2422 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:53,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:25:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2024-11-27 20:25:53,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9439. [2024-11-27 20:25:53,611 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) [2024-11-27 20:25:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 12905 transitions. [2024-11-27 20:25:53,662 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 12905 transitions. Word has length 312 [2024-11-27 20:25:53,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:53,665 INFO L471 AbstractCegarLoop]: Abstraction has 9439 states and 12905 transitions. [2024-11-27 20:25:53,665 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) [2024-11-27 20:25:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 12905 transitions. [2024-11-27 20:25:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-27 20:25:53,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:53,674 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] [2024-11-27 20:25:53,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:25:53,674 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)] === [2024-11-27 20:25:53,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 500636814, now seen corresponding path program 1 times [2024-11-27 20:25:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925541155] [2024-11-27 20:25:53,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-11-27 20:26:12,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:12,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925541155] [2024-11-27 20:26:12,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925541155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:12,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:12,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:12,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147329794] [2024-11-27 20:26:12,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:12,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:12,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:12,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:12,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:12,598 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) [2024-11-27 20:26:13,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:13,498 INFO L93 Difference]: Finished difference Result 9445 states and 12910 transitions. [2024-11-27 20:26:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:13,498 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 [2024-11-27 20:26:13,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:13,548 INFO L225 Difference]: With dead ends: 9445 [2024-11-27 20:26:13,548 INFO L226 Difference]: Without dead ends: 9443 [2024-11-27 20:26:13,554 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 [2024-11-27 20:26:13,555 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2421 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:13,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:26:13,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9443 states. [2024-11-27 20:26:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9443 to 9443. [2024-11-27 20:26:14,127 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) [2024-11-27 20:26:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9443 states to 9443 states and 12908 transitions. [2024-11-27 20:26:14,177 INFO L78 Accepts]: Start accepts. Automaton has 9443 states and 12908 transitions. Word has length 317 [2024-11-27 20:26:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:14,178 INFO L471 AbstractCegarLoop]: Abstraction has 9443 states and 12908 transitions. [2024-11-27 20:26:14,178 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) [2024-11-27 20:26:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9443 states and 12908 transitions. [2024-11-27 20:26:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-27 20:26:14,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:14,185 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 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] [2024-11-27 20:26:14,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:26:14,186 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)] === [2024-11-27 20:26:14,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash -160068693, now seen corresponding path program 1 times [2024-11-27 20:26:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:14,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610632173] [2024-11-27 20:26:14,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1808 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2024-11-27 20:26:34,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:34,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610632173] [2024-11-27 20:26:34,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610632173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:34,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:34,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:26:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052469] [2024-11-27 20:26:34,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:34,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:34,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:34,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:34,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:34,557 INFO L87 Difference]: Start difference. First operand 9443 states and 12908 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:26:38,657 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 [] [2024-11-27 20:26:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:39,980 INFO L93 Difference]: Finished difference Result 22475 states and 30833 transitions. [2024-11-27 20:26:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:39,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 331 [2024-11-27 20:26:39,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:40,061 INFO L225 Difference]: With dead ends: 22475 [2024-11-27 20:26:40,061 INFO L226 Difference]: Without dead ends: 13523 [2024-11-27 20:26:40,100 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 [2024-11-27 20:26:40,100 INFO L435 NwaCegarLoop]: 4558 mSDtfsCounter, 2200 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 7018 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:40,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 7018 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:26:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13523 states. [2024-11-27 20:26:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13523 to 13492. [2024-11-27 20:26:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13492 states, 9378 states have (on average 1.2881211345702708) internal successors, (12080), 9422 states have internal predecessors, (12080), 3208 states have call successors, (3208), 904 states have call predecessors, (3208), 903 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-27 20:26:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13492 states to 13492 states and 18492 transitions. [2024-11-27 20:26:41,071 INFO L78 Accepts]: Start accepts. Automaton has 13492 states and 18492 transitions. Word has length 331 [2024-11-27 20:26:41,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:41,073 INFO L471 AbstractCegarLoop]: Abstraction has 13492 states and 18492 transitions. [2024-11-27 20:26:41,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:26:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13492 states and 18492 transitions. [2024-11-27 20:26:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-27 20:26:41,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:41,081 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] [2024-11-27 20:26:41,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:26:41,081 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)] === [2024-11-27 20:26:41,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:41,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1678515229, now seen corresponding path program 1 times [2024-11-27 20:26:41,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:41,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259239876] [2024-11-27 20:26:41,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:41,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2024-11-27 20:27:00,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:00,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259239876] [2024-11-27 20:27:00,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259239876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:00,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:00,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:27:00,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333306711] [2024-11-27 20:27:00,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:00,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:27:00,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:00,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:27:00,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:27:00,915 INFO L87 Difference]: Start difference. First operand 13492 states and 18492 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) [2024-11-27 20:27:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:01,980 INFO L93 Difference]: Finished difference Result 13498 states and 18497 transitions. [2024-11-27 20:27:01,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:27:01,981 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 [2024-11-27 20:27:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:02,043 INFO L225 Difference]: With dead ends: 13498 [2024-11-27 20:27:02,044 INFO L226 Difference]: Without dead ends: 13496 [2024-11-27 20:27:02,049 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 [2024-11-27 20:27:02,050 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2420 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:02,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:27:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13496 states. [2024-11-27 20:27:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13496 to 13496. [2024-11-27 20:27:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13496 states, 9381 states have (on average 1.2880289947766763) internal successors, (12083), 9425 states have internal predecessors, (12083), 3208 states have call successors, (3208), 905 states have call predecessors, (3208), 904 states have return successors, (3204), 3187 states have call predecessors, (3204), 3204 states have call successors, (3204) [2024-11-27 20:27:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13496 states to 13496 states and 18495 transitions. [2024-11-27 20:27:02,903 INFO L78 Accepts]: Start accepts. Automaton has 13496 states and 18495 transitions. Word has length 322 [2024-11-27 20:27:02,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:02,904 INFO L471 AbstractCegarLoop]: Abstraction has 13496 states and 18495 transitions. [2024-11-27 20:27:02,904 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) [2024-11-27 20:27:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 13496 states and 18495 transitions. [2024-11-27 20:27:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:27:02,911 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:02,911 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] [2024-11-27 20:27:02,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:27:02,912 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)] === [2024-11-27 20:27:02,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:02,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1260093074, now seen corresponding path program 1 times [2024-11-27 20:27:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:02,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946648463] [2024-11-27 20:27:02,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-11-27 20:27:21,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:21,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946648463] [2024-11-27 20:27:21,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946648463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:21,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:21,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:27:21,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666972559] [2024-11-27 20:27:21,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:21,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:27:21,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:21,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:27:21,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:27:21,837 INFO L87 Difference]: Start difference. First operand 13496 states and 18495 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) [2024-11-27 20:27:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:22,667 INFO L93 Difference]: Finished difference Result 13502 states and 18500 transitions. [2024-11-27 20:27:22,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:27:22,667 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 [2024-11-27 20:27:22,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:22,742 INFO L225 Difference]: With dead ends: 13502 [2024-11-27 20:27:22,743 INFO L226 Difference]: Without dead ends: 13500 [2024-11-27 20:27:22,753 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 [2024-11-27 20:27:22,753 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 [2024-11-27 20:27:22,753 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] [2024-11-27 20:27:22,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13500 states. [2024-11-27 20:27:23,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13500 to 13500. [2024-11-27 20:27:23,596 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) [2024-11-27 20:27:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13500 states to 13500 states and 18498 transitions. [2024-11-27 20:27:23,673 INFO L78 Accepts]: Start accepts. Automaton has 13500 states and 18498 transitions. Word has length 327 [2024-11-27 20:27:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:23,674 INFO L471 AbstractCegarLoop]: Abstraction has 13500 states and 18498 transitions. [2024-11-27 20:27:23,674 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) [2024-11-27 20:27:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 13500 states and 18498 transitions. [2024-11-27 20:27:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-27 20:27:23,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:23,679 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] [2024-11-27 20:27:23,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:27:23,679 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)] === [2024-11-27 20:27:23,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:23,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2011383165, now seen corresponding path program 1 times [2024-11-27 20:27:23,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:23,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920255873] [2024-11-27 20:27:23,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:23,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2024-11-27 20:27:43,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:43,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920255873] [2024-11-27 20:27:43,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920255873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:43,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:43,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:27:43,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849511467] [2024-11-27 20:27:43,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:43,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:27:43,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:43,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:27:43,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:27:43,533 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) [2024-11-27 20:27:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:44,505 INFO L93 Difference]: Finished difference Result 13506 states and 18503 transitions. [2024-11-27 20:27:44,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:27:44,506 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 [2024-11-27 20:27:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:44,572 INFO L225 Difference]: With dead ends: 13506 [2024-11-27 20:27:44,572 INFO L226 Difference]: Without dead ends: 13504 [2024-11-27 20:27:44,583 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 [2024-11-27 20:27:44,583 INFO L435 NwaCegarLoop]: 2497 mSDtfsCounter, 2418 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:44,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 7476 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:27:44,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13504 states. [2024-11-27 20:27:45,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13504 to 13504. [2024-11-27 20:27:45,572 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) [2024-11-27 20:27:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13504 states to 13504 states and 18501 transitions. [2024-11-27 20:27:45,639 INFO L78 Accepts]: Start accepts. Automaton has 13504 states and 18501 transitions. Word has length 332 [2024-11-27 20:27:45,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:45,640 INFO L471 AbstractCegarLoop]: Abstraction has 13504 states and 18501 transitions. [2024-11-27 20:27:45,640 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) [2024-11-27 20:27:45,640 INFO L276 IsEmpty]: Start isEmpty. Operand 13504 states and 18501 transitions. [2024-11-27 20:27:45,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-27 20:27:45,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:45,645 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] [2024-11-27 20:27:45,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:27:45,645 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)] === [2024-11-27 20:27:45,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:45,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1611857486, now seen corresponding path program 1 times [2024-11-27 20:27:45,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:45,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174697196] [2024-11-27 20:27:45,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:45,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2024-11-27 20:28:04,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174697196] [2024-11-27 20:28:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174697196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:04,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:04,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:04,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662239008] [2024-11-27 20:28:04,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:04,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:04,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:04,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:04,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:04,418 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) [2024-11-27 20:28:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:05,459 INFO L93 Difference]: Finished difference Result 13608 states and 18597 transitions. [2024-11-27 20:28:05,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:05,459 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 [2024-11-27 20:28:05,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:05,525 INFO L225 Difference]: With dead ends: 13608 [2024-11-27 20:28:05,526 INFO L226 Difference]: Without dead ends: 13606 [2024-11-27 20:28:05,532 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 [2024-11-27 20:28:05,533 INFO L435 NwaCegarLoop]: 2495 mSDtfsCounter, 2396 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:05,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 7499 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:28:05,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13606 states. [2024-11-27 20:28:06,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13606 to 13604. [2024-11-27 20:28:06,471 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) [2024-11-27 20:28:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13604 states to 13604 states and 18594 transitions. [2024-11-27 20:28:06,520 INFO L78 Accepts]: Start accepts. Automaton has 13604 states and 18594 transitions. Word has length 337 [2024-11-27 20:28:06,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:06,520 INFO L471 AbstractCegarLoop]: Abstraction has 13604 states and 18594 transitions. [2024-11-27 20:28:06,521 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) [2024-11-27 20:28:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 13604 states and 18594 transitions. [2024-11-27 20:28:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-27 20:28:06,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:06,526 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] [2024-11-27 20:28:06,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:28:06,526 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)] === [2024-11-27 20:28:06,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1055688413, now seen corresponding path program 1 times [2024-11-27 20:28:06,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:06,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884548220] [2024-11-27 20:28:06,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1901 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1887 trivial. 0 not checked. [2024-11-27 20:28:25,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:25,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884548220] [2024-11-27 20:28:25,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884548220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:25,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:25,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:25,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057946321] [2024-11-27 20:28:25,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:25,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:25,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:25,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:25,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:25,103 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) [2024-11-27 20:28:26,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:26,160 INFO L93 Difference]: Finished difference Result 13664 states and 18639 transitions. [2024-11-27 20:28:26,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:26,160 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 [2024-11-27 20:28:26,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:26,220 INFO L225 Difference]: With dead ends: 13664 [2024-11-27 20:28:26,220 INFO L226 Difference]: Without dead ends: 13660 [2024-11-27 20:28:26,230 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 [2024-11-27 20:28:26,231 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 [2024-11-27 20:28:26,231 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] [2024-11-27 20:28:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2024-11-27 20:28:27,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 13658. [2024-11-27 20:28:27,021 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) [2024-11-27 20:28:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13658 states to 13658 states and 18634 transitions. [2024-11-27 20:28:27,073 INFO L78 Accepts]: Start accepts. Automaton has 13658 states and 18634 transitions. Word has length 342 [2024-11-27 20:28:27,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:27,074 INFO L471 AbstractCegarLoop]: Abstraction has 13658 states and 18634 transitions. [2024-11-27 20:28:27,074 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) [2024-11-27 20:28:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 13658 states and 18634 transitions. [2024-11-27 20:28:27,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-27 20:28:27,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:27,077 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] [2024-11-27 20:28:27,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:28:27,077 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)] === [2024-11-27 20:28:27,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:27,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1696296146, now seen corresponding path program 1 times [2024-11-27 20:28:27,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:27,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387051201] [2024-11-27 20:28:27,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:27,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1931 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1915 trivial. 0 not checked. [2024-11-27 20:28:45,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:45,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387051201] [2024-11-27 20:28:45,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387051201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:45,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:45,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:45,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911991588] [2024-11-27 20:28:45,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:45,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:45,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:45,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:45,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:45,668 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) [2024-11-27 20:28:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:46,616 INFO L93 Difference]: Finished difference Result 13658 states and 18634 transitions. [2024-11-27 20:28:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:46,616 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 [2024-11-27 20:28:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:46,650 INFO L225 Difference]: With dead ends: 13658 [2024-11-27 20:28:46,651 INFO L226 Difference]: Without dead ends: 13470 [2024-11-27 20:28:46,655 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 [2024-11-27 20:28:46,656 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 [2024-11-27 20:28:46,656 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] [2024-11-27 20:28:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13470 states. [2024-11-27 20:28:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13470 to 13470. [2024-11-27 20:28:47,486 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) [2024-11-27 20:28:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13470 states to 13470 states and 18411 transitions. [2024-11-27 20:28:47,533 INFO L78 Accepts]: Start accepts. Automaton has 13470 states and 18411 transitions. Word has length 347 [2024-11-27 20:28:47,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:47,534 INFO L471 AbstractCegarLoop]: Abstraction has 13470 states and 18411 transitions. [2024-11-27 20:28:47,534 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) [2024-11-27 20:28:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13470 states and 18411 transitions. [2024-11-27 20:28:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-27 20:28:47,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:47,537 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] [2024-11-27 20:28:47,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:28:47,537 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)] === [2024-11-27 20:28:47,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:47,538 INFO L85 PathProgramCache]: Analyzing trace with hash -224188732, now seen corresponding path program 1 times [2024-11-27 20:28:47,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:47,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713223397] [2024-11-27 20:28:47,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-11-27 20:29:05,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:05,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713223397] [2024-11-27 20:29:05,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713223397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:05,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:05,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:05,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988817507] [2024-11-27 20:29:05,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:05,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:05,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:05,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:05,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:05,376 INFO L87 Difference]: Start difference. First operand 13470 states and 18411 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-27 20:29:09,457 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 [] [2024-11-27 20:29:11,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:11,440 INFO L93 Difference]: Finished difference Result 37153 states and 50913 transitions. [2024-11-27 20:29:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:11,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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 370 [2024-11-27 20:29:11,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:11,521 INFO L225 Difference]: With dead ends: 37153 [2024-11-27 20:29:11,521 INFO L226 Difference]: Without dead ends: 23688 [2024-11-27 20:29:11,574 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 [2024-11-27 20:29:11,575 INFO L435 NwaCegarLoop]: 2507 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, 4907 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:11,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 4907 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-27 20:29:11,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23688 states. [2024-11-27 20:29:12,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23688 to 23676. [2024-11-27 20:29:12,862 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) [2024-11-27 20:29:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23676 states to 23676 states and 32367 transitions. [2024-11-27 20:29:12,953 INFO L78 Accepts]: Start accepts. Automaton has 23676 states and 32367 transitions. Word has length 370 [2024-11-27 20:29:12,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:12,954 INFO L471 AbstractCegarLoop]: Abstraction has 23676 states and 32367 transitions. [2024-11-27 20:29:12,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 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) [2024-11-27 20:29:12,954 INFO L276 IsEmpty]: Start isEmpty. Operand 23676 states and 32367 transitions. [2024-11-27 20:29:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-27 20:29:12,958 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:12,958 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] [2024-11-27 20:29:12,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:29:12,959 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)] === [2024-11-27 20:29:12,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:12,959 INFO L85 PathProgramCache]: Analyzing trace with hash -729175047, now seen corresponding path program 1 times [2024-11-27 20:29:12,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:12,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173420664] [2024-11-27 20:29:12,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:12,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-11-27 20:29:31,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173420664] [2024-11-27 20:29:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173420664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:31,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:31,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:31,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811924150] [2024-11-27 20:29:31,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:31,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:31,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:31,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:31,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:31,709 INFO L87 Difference]: Start difference. First operand 23676 states and 32367 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-27 20:29:35,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:29:38,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:38,097 INFO L93 Difference]: Finished difference Result 54649 states and 74809 transitions. [2024-11-27 20:29:38,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:38,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 393 [2024-11-27 20:29:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:38,223 INFO L225 Difference]: With dead ends: 54649 [2024-11-27 20:29:38,223 INFO L226 Difference]: Without dead ends: 31091 [2024-11-27 20:29:38,301 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 [2024-11-27 20:29:38,302 INFO L435 NwaCegarLoop]: 4613 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, 7022 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 [2024-11-27 20:29:38,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 7022 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 20:29:38,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31091 states. [2024-11-27 20:29:40,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31091 to 31087. [2024-11-27 20:29:40,272 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) [2024-11-27 20:29:40,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31087 states to 31087 states and 42535 transitions. [2024-11-27 20:29:40,388 INFO L78 Accepts]: Start accepts. Automaton has 31087 states and 42535 transitions. Word has length 393 [2024-11-27 20:29:40,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:40,388 INFO L471 AbstractCegarLoop]: Abstraction has 31087 states and 42535 transitions. [2024-11-27 20:29:40,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2024-11-27 20:29:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 31087 states and 42535 transitions. [2024-11-27 20:29:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-27 20:29:40,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:40,393 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] [2024-11-27 20:29:40,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:29:40,393 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)] === [2024-11-27 20:29:40,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:40,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1637205551, now seen corresponding path program 1 times [2024-11-27 20:29:40,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:40,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970102914] [2024-11-27 20:29:40,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms