./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-platform-sh_vou.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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ad0f28a452ce488be484f9b276528579c67e641129109910b2b8f3d9d89b696d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:06:55,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:06:55,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:06:55,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:06:55,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:06:55,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:06:55,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:06:55,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:06:55,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:06:55,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:06:55,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:06:55,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:06:55,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:06:55,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:06:55,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:06:55,285 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:06:55,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:06:55,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:06:55,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:06:55,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:06:55,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:06:55,287 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0f28a452ce488be484f9b276528579c67e641129109910b2b8f3d9d89b696d [2024-12-02 07:06:55,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:06:55,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:06:55,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:06:55,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:06:55,528 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:06:55,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-12-02 07:06:58,311 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/data/a21c3f9c7/46328ee92e364a8b8099ca3669b3c7b5/FLAG23010d4d8 [2024-12-02 07:06:58,874 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:06:58,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-12-02 07:06:58,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/data/a21c3f9c7/46328ee92e364a8b8099ca3669b3c7b5/FLAG23010d4d8 [2024-12-02 07:06:59,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/data/a21c3f9c7/46328ee92e364a8b8099ca3669b3c7b5 [2024-12-02 07:06:59,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:06:59,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:06:59,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:06:59,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:06:59,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:06:59,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:06:59" (1/1) ... [2024-12-02 07:06:59,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a818251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:06:59, skipping insertion in model container [2024-12-02 07:06:59,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:06:59" (1/1) ... [2024-12-02 07:06:59,530 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:07:01,711 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324684,324697] [2024-12-02 07:07:01,714 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324853,324866] [2024-12-02 07:07:01,714 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325020,325033] [2024-12-02 07:07:01,715 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325188,325201] [2024-12-02 07:07:01,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:01,772 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:07:01,839 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)); [4689] [2024-12-02 07:07:01,841 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [4717-4718] [2024-12-02 07:07:01,841 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4721-4722] [2024-12-02 07:07:01,841 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4725-4726] [2024-12-02 07:07:01,841 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [4729-4730] [2024-12-02 07:07:01,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4807] [2024-12-02 07:07:01,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4810] [2024-12-02 07:07:01,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4813] [2024-12-02 07:07:01,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4816] [2024-12-02 07:07:01,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [4875] [2024-12-02 07:07:01,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [4882] [2024-12-02 07:07:01,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/platform/sh_vou.c"), "i" (232), "i" (12UL)); [5248-5249] [2024-12-02 07:07:02,101 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324684,324697] [2024-12-02 07:07:02,101 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[324853,324866] [2024-12-02 07:07:02,102 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325020,325033] [2024-12-02 07:07:02,102 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_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i[325188,325201] [2024-12-02 07:07:02,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:07:02,223 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:07:02,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02 WrapperNode [2024-12-02 07:07:02,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:07:02,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:02,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:07:02,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:07:02,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:02,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:03,243 INFO L138 Inliner]: procedures = 381, calls = 4114, calls flagged for inlining = 206, calls inlined = 197, statements flattened = 8641 [2024-12-02 07:07:03,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:07:03,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:07:03,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:07:03,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:07:03,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:03,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:03,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:05,319 INFO L175 MemorySlicer]: Split 2910 memory accesses to 22 slices as follows [358, 4, 1, 2, 13, 1211, 8, 43, 8, 14, 5, 2, 6, 6, 120, 3, 238, 822, 27, 14, 1, 4]. 42 percent of accesses are in the largest equivalence class. The 545 initializations are split as follows [358, 4, 1, 2, 13, 7, 5, 0, 5, 14, 4, 0, 3, 3, 120, 2, 0, 0, 0, 0, 0, 4]. The 1391 writes are split as follows [0, 0, 0, 0, 0, 816, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 204, 301, 25, 12, 1, 0]. [2024-12-02 07:07:05,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:05,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:05,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:05,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:06,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:06,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:06,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:06,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:07:06,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:07:06,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:07:06,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:07:06,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (1/1) ... [2024-12-02 07:07:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:07:06,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:07:06,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:07:06,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46b1ebfe-19eb-40dc-b29c-8116e4d611a2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:07:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 07:07:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 07:07:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 07:07:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 07:07:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 07:07:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 07:07:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 07:07:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 07:07:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 07:07:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 07:07:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_schedule_next [2024-12-02 07:07:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_schedule_next [2024-12-02 07:07:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 07:07:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 07:07:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2024-12-02 07:07:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2024-12-02 07:07:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 07:07:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 07:07:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_configure_geometry [2024-12-02 07:07:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_configure_geometry [2024-12-02 07:07:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-12-02 07:07:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-12-02 07:07:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-12-02 07:07:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-12-02 07:07:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 07:07:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 07:07:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_set [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_set [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_release [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_release [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_remove [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_remove [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2024-12-02 07:07:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2024-12-02 07:07:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 07:07:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-12-02 07:07:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_m_write [2024-12-02 07:07:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_m_write [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2024-12-02 07:07:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2024-12-02 07:07:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:07:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:07:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 07:07:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 07:07:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 07:07:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 07:07:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 07:07:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 07:07:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 07:07:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 07:07:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 07:07:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 07:07:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 07:07:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-12-02 07:07:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-12-02 07:07:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:07:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2024-12-02 07:07:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2024-12-02 07:07:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 07:07:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 07:07:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 07:07:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma_contig [2024-12-02 07:07:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma_contig [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_write [2024-12-02 07:07:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_write [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 07:07:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 07:07:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 07:07:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 07:07:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_open [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_open [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_read [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_read [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 07:07:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2024-12-02 07:07:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2024-12-02 07:07:06,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 07:07:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 07:07:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:07:06,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 07:07:06,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 07:07:06,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 07:07:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 07:07:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 07:07:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_hw_init [2024-12-02 07:07:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_hw_init [2024-12-02 07:07:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure printk_timed_ratelimit [2024-12-02 07:07:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_timed_ratelimit [2024-12-02 07:07:06,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:07:06,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 07:07:06,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 07:07:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_poll [2024-12-02 07:07:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_poll [2024-12-02 07:07:06,269 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-12-02 07:07:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 07:07:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 07:07:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 07:07:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 07:07:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 07:07:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 07:07:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 07:07:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 07:07:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 07:07:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 07:07:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 07:07:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 07:07:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_mmap [2024-12-02 07:07:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_mmap [2024-12-02 07:07:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-12-02 07:07:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-12-02 07:07:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2024-12-02 07:07:06,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2024-12-02 07:07:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 07:07:06,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 07:07:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-12-02 07:07:06,273 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-12-02 07:07:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_vou_device [2024-12-02 07:07:06,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_vou_device [2024-12-02 07:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 07:07:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 07:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 07:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 07:07:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 07:07:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 07:07:06,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_write [2024-12-02 07:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_write [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-12-02 07:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-12-02 07:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_put_adapter [2024-12-02 07:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_put_adapter [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:07:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 07:07:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:07:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 07:07:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 07:07:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 07:07:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_bound_align_image [2024-12-02 07:07:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_bound_align_image [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_vou_device [2024-12-02 07:07:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_vou_device [2024-12-02 07:07:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_set [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_set [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure vou_adjust_input [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vou_adjust_input [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 07:07:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 07:07:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 07:07:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 07:07:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 07:07:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 07:07:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 07:07:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 07:07:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-12-02 07:07:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-12-02 07:07:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 07:07:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 07:07:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:07:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:07:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_probe [2024-12-02 07:07:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_probe [2024-12-02 07:07:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_ntsc_mode [2024-12-02 07:07:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_ntsc_mode [2024-12-02 07:07:07,189 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:07:07,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:07:07,213 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 07:07:35,234 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 07:07:44,273 INFO L? ?]: Removed 2520 outVars from TransFormulas that were not future-live. [2024-12-02 07:07:44,273 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:07:44,316 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:07:44,317 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:07:44,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:44 BoogieIcfgContainer [2024-12-02 07:07:44,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:07:44,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:07:44,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:07:44,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:07:44,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:06:59" (1/3) ... [2024-12-02 07:07:44,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8c661f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:44, skipping insertion in model container [2024-12-02 07:07:44,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:02" (2/3) ... [2024-12-02 07:07:44,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8c661f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:44, skipping insertion in model container [2024-12-02 07:07:44,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:44" (3/3) ... [2024-12-02 07:07:44,329 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-12-02 07:07:44,347 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:07:44,351 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i that has 81 procedures, 1906 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 07:07:44,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:07:44,474 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;@19b80fc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:07:44,474 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 07:07:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 1904 states, 1393 states have (on average 1.3079684134960516) internal successors, (1822), 1407 states have internal predecessors, (1822), 429 states have call successors, (429), 80 states have call predecessors, (429), 79 states have return successors, (420), 418 states have call predecessors, (420), 420 states have call successors, (420) [2024-12-02 07:07:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 07:07:44,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:07:44,509 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] [2024-12-02 07:07:44,509 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)] === [2024-12-02 07:07:44,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:07:44,514 INFO L85 PathProgramCache]: Analyzing trace with hash -165603794, now seen corresponding path program 1 times [2024-12-02 07:07:44,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:07:44,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470254422] [2024-12-02 07:07:44,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:07:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:08:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:08:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 07:08:14,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:08:14,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470254422] [2024-12-02 07:08:14,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470254422] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:08:14,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:08:14,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:08:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030326587] [2024-12-02 07:08:14,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:08:14,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:08:14,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:08:14,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:08:14,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:08:14,841 INFO L87 Difference]: Start difference. First operand has 1904 states, 1393 states have (on average 1.3079684134960516) internal successors, (1822), 1407 states have internal predecessors, (1822), 429 states have call successors, (429), 80 states have call predecessors, (429), 79 states have return successors, (420), 418 states have call predecessors, (420), 420 states have call successors, (420) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 07:08:19,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:08:20,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:08:20,557 INFO L93 Difference]: Finished difference Result 5507 states and 7836 transitions. [2024-12-02 07:08:20,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:08:20,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 239 [2024-12-02 07:08:20,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:08:20,608 INFO L225 Difference]: With dead ends: 5507 [2024-12-02 07:08:20,609 INFO L226 Difference]: Without dead ends: 3633 [2024-12-02 07:08:20,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:08:20,634 INFO L435 NwaCegarLoop]: 2655 mSDtfsCounter, 2476 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:08:20,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 5236 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 07:08:20,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2024-12-02 07:08:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3629. [2024-12-02 07:08:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3629 states, 2681 states have (on average 1.2972771353972399) internal successors, (3478), 2708 states have internal predecessors, (3478), 791 states have call successors, (791), 155 states have call predecessors, (791), 154 states have return successors, (787), 783 states have call predecessors, (787), 787 states have call successors, (787) [2024-12-02 07:08:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3629 states and 5056 transitions. [2024-12-02 07:08:20,924 INFO L78 Accepts]: Start accepts. Automaton has 3629 states and 5056 transitions. Word has length 239 [2024-12-02 07:08:20,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:08:20,925 INFO L471 AbstractCegarLoop]: Abstraction has 3629 states and 5056 transitions. [2024-12-02 07:08:20,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 07:08:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 5056 transitions. [2024-12-02 07:08:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-12-02 07:08:20,936 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:08:20,937 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2024-12-02 07:08:20,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:08:20,938 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)] === [2024-12-02 07:08:20,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:08:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash -145034805, now seen corresponding path program 1 times [2024-12-02 07:08:20,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:08:20,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708726541] [2024-12-02 07:08:20,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:08:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:08:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:08:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1604 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2024-12-02 07:08:41,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:08:41,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708726541] [2024-12-02 07:08:41,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708726541] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:08:41,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:08:41,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:08:41,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134947632] [2024-12-02 07:08:41,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:08:41,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:08:41,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:08:41,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:08:41,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:08:41,855 INFO L87 Difference]: Start difference. First operand 3629 states and 5056 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:08:45,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:08:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:08:46,835 INFO L93 Difference]: Finished difference Result 10589 states and 14850 transitions. [2024-12-02 07:08:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:08:46,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 254 [2024-12-02 07:08:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:08:46,871 INFO L225 Difference]: With dead ends: 10589 [2024-12-02 07:08:46,871 INFO L226 Difference]: Without dead ends: 7003 [2024-12-02 07:08:46,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:08:46,884 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 2427 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:08:46,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 5286 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 07:08:46,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7003 states. [2024-12-02 07:08:47,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 6978. [2024-12-02 07:08:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6978 states, 5176 states have (on average 1.2988794435857804) internal successors, (6723), 5232 states have internal predecessors, (6723), 1500 states have call successors, (1500), 302 states have call predecessors, (1500), 299 states have return successors, (1596), 1477 states have call predecessors, (1596), 1496 states have call successors, (1596) [2024-12-02 07:08:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6978 states to 6978 states and 9819 transitions. [2024-12-02 07:08:47,123 INFO L78 Accepts]: Start accepts. Automaton has 6978 states and 9819 transitions. Word has length 254 [2024-12-02 07:08:47,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:08:47,124 INFO L471 AbstractCegarLoop]: Abstraction has 6978 states and 9819 transitions. [2024-12-02 07:08:47,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:08:47,124 INFO L276 IsEmpty]: Start isEmpty. Operand 6978 states and 9819 transitions. [2024-12-02 07:08:47,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-12-02 07:08:47,130 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:08:47,131 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] [2024-12-02 07:08:47,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:08:47,131 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)] === [2024-12-02 07:08:47,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:08:47,132 INFO L85 PathProgramCache]: Analyzing trace with hash 210297043, now seen corresponding path program 1 times [2024-12-02 07:08:47,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:08:47,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820160173] [2024-12-02 07:08:47,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:08:47,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:09:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:09:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-12-02 07:09:07,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:09:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820160173] [2024-12-02 07:09:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820160173] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:09:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:09:07,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:09:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325120987] [2024-12-02 07:09:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:09:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:09:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:09:07,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:09:07,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:09:07,515 INFO L87 Difference]: Start difference. First operand 6978 states and 9819 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:09:11,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:09:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:09:12,847 INFO L93 Difference]: Finished difference Result 16654 states and 23426 transitions. [2024-12-02 07:09:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:09:12,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 258 [2024-12-02 07:09:12,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:09:12,929 INFO L225 Difference]: With dead ends: 16654 [2024-12-02 07:09:12,930 INFO L226 Difference]: Without dead ends: 9719 [2024-12-02 07:09:12,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:09:12,964 INFO L435 NwaCegarLoop]: 2690 mSDtfsCounter, 2271 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:09:12,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 5277 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 07:09:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2024-12-02 07:09:13,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 9694. [2024-12-02 07:09:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9694 states, 7210 states have (on average 1.2995839112343968) internal successors, (9370), 7284 states have internal predecessors, (9370), 2052 states have call successors, (2052), 433 states have call predecessors, (2052), 429 states have return successors, (2198), 2015 states have call predecessors, (2198), 2048 states have call successors, (2198) [2024-12-02 07:09:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9694 states to 9694 states and 13620 transitions. [2024-12-02 07:09:13,433 INFO L78 Accepts]: Start accepts. Automaton has 9694 states and 13620 transitions. Word has length 258 [2024-12-02 07:09:13,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:09:13,434 INFO L471 AbstractCegarLoop]: Abstraction has 9694 states and 13620 transitions. [2024-12-02 07:09:13,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:09:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 9694 states and 13620 transitions. [2024-12-02 07:09:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-12-02 07:09:13,445 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:09:13,445 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2024-12-02 07:09:13,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:09:13,446 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2024-12-02 07:09:13,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:09:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 246142159, now seen corresponding path program 1 times [2024-12-02 07:09:13,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:09:13,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568864325] [2024-12-02 07:09:13,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:09:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:09:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:09:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-12-02 07:09:33,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:09:33,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568864325] [2024-12-02 07:09:33,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568864325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:09:33,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:09:33,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:09:33,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757822358] [2024-12-02 07:09:33,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:09:33,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:09:33,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:09:33,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:09:33,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:09:33,617 INFO L87 Difference]: Start difference. First operand 9694 states and 13620 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 07:09:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:09:34,432 INFO L93 Difference]: Finished difference Result 9700 states and 13625 transitions. [2024-12-02 07:09:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:09:34,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 297 [2024-12-02 07:09:34,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:09:34,493 INFO L225 Difference]: With dead ends: 9700 [2024-12-02 07:09:34,493 INFO L226 Difference]: Without dead ends: 9698 [2024-12-02 07:09:34,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:09:34,500 INFO L435 NwaCegarLoop]: 2614 mSDtfsCounter, 2544 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 7833 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:09:34,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 7833 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:09:34,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2024-12-02 07:09:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9698. [2024-12-02 07:09:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 7213 states have (on average 1.2994593095799252) internal successors, (9373), 7287 states have internal predecessors, (9373), 2052 states have call successors, (2052), 434 states have call predecessors, (2052), 430 states have return successors, (2198), 2015 states have call predecessors, (2198), 2048 states have call successors, (2198) [2024-12-02 07:09:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 13623 transitions. [2024-12-02 07:09:35,027 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 13623 transitions. Word has length 297 [2024-12-02 07:09:35,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:09:35,028 INFO L471 AbstractCegarLoop]: Abstraction has 9698 states and 13623 transitions. [2024-12-02 07:09:35,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 07:09:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 13623 transitions. [2024-12-02 07:09:35,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-12-02 07:09:35,038 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:09:35,039 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:09:35,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:09:35,039 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)] === [2024-12-02 07:09:35,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:09:35,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1512244871, now seen corresponding path program 1 times [2024-12-02 07:09:35,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:09:35,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443438825] [2024-12-02 07:09:35,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:09:35,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:09:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:09:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-12-02 07:09:55,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:09:55,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443438825] [2024-12-02 07:09:55,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443438825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:09:55,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:09:55,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:09:55,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004372671] [2024-12-02 07:09:55,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:09:55,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:09:55,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:09:55,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:09:55,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:09:55,305 INFO L87 Difference]: Start difference. First operand 9698 states and 13623 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:09:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:09:56,022 INFO L93 Difference]: Finished difference Result 9704 states and 13628 transitions. [2024-12-02 07:09:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:09:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 302 [2024-12-02 07:09:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:09:56,070 INFO L225 Difference]: With dead ends: 9704 [2024-12-02 07:09:56,070 INFO L226 Difference]: Without dead ends: 9702 [2024-12-02 07:09:56,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:09:56,077 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2540 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 7837 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 [2024-12-02 07:09:56,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:09:56,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9702 states. [2024-12-02 07:09:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9702 to 9702. [2024-12-02 07:09:56,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9702 states, 7216 states have (on average 1.2993348115299335) internal successors, (9376), 7290 states have internal predecessors, (9376), 2052 states have call successors, (2052), 435 states have call predecessors, (2052), 431 states have return successors, (2198), 2015 states have call predecessors, (2198), 2048 states have call successors, (2198) [2024-12-02 07:09:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 13626 transitions. [2024-12-02 07:09:56,503 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 13626 transitions. Word has length 302 [2024-12-02 07:09:56,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:09:56,504 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 13626 transitions. [2024-12-02 07:09:56,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 07:09:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 13626 transitions. [2024-12-02 07:09:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-12-02 07:09:56,515 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:09:56,515 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:09:56,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:09:56,516 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)] === [2024-12-02 07:09:56,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:09:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2023440271, now seen corresponding path program 1 times [2024-12-02 07:09:56,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:09:56,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592381761] [2024-12-02 07:09:56,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:09:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:10:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:10:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2024-12-02 07:10:16,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:10:16,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592381761] [2024-12-02 07:10:16,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592381761] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:10:16,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:10:16,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:10:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166921843] [2024-12-02 07:10:16,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:10:16,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:10:16,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:10:16,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:10:16,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:10:16,134 INFO L87 Difference]: Start difference. First operand 9702 states and 13626 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:10:16,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:10:16,746 INFO L93 Difference]: Finished difference Result 9708 states and 13631 transitions. [2024-12-02 07:10:16,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:10:16,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 307 [2024-12-02 07:10:16,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:10:16,787 INFO L225 Difference]: With dead ends: 9708 [2024-12-02 07:10:16,788 INFO L226 Difference]: Without dead ends: 9706 [2024-12-02 07:10:16,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:10:16,794 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2539 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2540 SdHoareTripleChecker+Valid, 7837 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 [2024-12-02 07:10:16,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2540 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:10:16,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2024-12-02 07:10:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 9706. [2024-12-02 07:10:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9706 states, 7219 states have (on average 1.299210416955257) internal successors, (9379), 7293 states have internal predecessors, (9379), 2052 states have call successors, (2052), 436 states have call predecessors, (2052), 432 states have return successors, (2198), 2015 states have call predecessors, (2198), 2048 states have call successors, (2198) [2024-12-02 07:10:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9706 states to 9706 states and 13629 transitions. [2024-12-02 07:10:17,230 INFO L78 Accepts]: Start accepts. Automaton has 9706 states and 13629 transitions. Word has length 307 [2024-12-02 07:10:17,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:10:17,231 INFO L471 AbstractCegarLoop]: Abstraction has 9706 states and 13629 transitions. [2024-12-02 07:10:17,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 07:10:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9706 states and 13629 transitions. [2024-12-02 07:10:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 07:10:17,243 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:10:17,243 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:10:17,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:10:17,243 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)] === [2024-12-02 07:10:17,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:10:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash -148733113, now seen corresponding path program 1 times [2024-12-02 07:10:17,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:10:17,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768391603] [2024-12-02 07:10:17,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:10:17,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:10:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:10:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1833 trivial. 0 not checked. [2024-12-02 07:10:37,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:10:37,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768391603] [2024-12-02 07:10:37,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768391603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:10:37,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:10:37,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:10:37,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989508956] [2024-12-02 07:10:37,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:10:37,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:10:37,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:10:37,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:10:37,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:10:37,316 INFO L87 Difference]: Start difference. First operand 9706 states and 13629 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 07:10:37,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:10:37,971 INFO L93 Difference]: Finished difference Result 9712 states and 13634 transitions. [2024-12-02 07:10:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:10:37,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 312 [2024-12-02 07:10:37,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:10:38,015 INFO L225 Difference]: With dead ends: 9712 [2024-12-02 07:10:38,015 INFO L226 Difference]: Without dead ends: 9710 [2024-12-02 07:10:38,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:10:38,021 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2538 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 7837 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 [2024-12-02 07:10:38,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2539 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:10:38,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9710 states. [2024-12-02 07:10:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9710 to 9710. [2024-12-02 07:10:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9710 states, 7222 states have (on average 1.2990861257269455) internal successors, (9382), 7296 states have internal predecessors, (9382), 2052 states have call successors, (2052), 437 states have call predecessors, (2052), 433 states have return successors, (2198), 2015 states have call predecessors, (2198), 2048 states have call successors, (2198) [2024-12-02 07:10:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9710 states to 9710 states and 13632 transitions. [2024-12-02 07:10:38,434 INFO L78 Accepts]: Start accepts. Automaton has 9710 states and 13632 transitions. Word has length 312 [2024-12-02 07:10:38,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:10:38,434 INFO L471 AbstractCegarLoop]: Abstraction has 9710 states and 13632 transitions. [2024-12-02 07:10:38,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 07:10:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 9710 states and 13632 transitions. [2024-12-02 07:10:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 07:10:38,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:10:38,444 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 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] [2024-12-02 07:10:38,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:10:38,444 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)] === [2024-12-02 07:10:38,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:10:38,444 INFO L85 PathProgramCache]: Analyzing trace with hash 63302223, now seen corresponding path program 1 times [2024-12-02 07:10:38,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:10:38,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230618907] [2024-12-02 07:10:38,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:10:38,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:10:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:10:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1845 trivial. 0 not checked. [2024-12-02 07:10:58,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:10:58,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230618907] [2024-12-02 07:10:58,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230618907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:10:58,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:10:58,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:10:58,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730568797] [2024-12-02 07:10:58,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:10:58,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:10:58,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:10:58,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:10:58,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:10:58,363 INFO L87 Difference]: Start difference. First operand 9710 states and 13632 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:10:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:10:59,097 INFO L93 Difference]: Finished difference Result 9894 states and 13822 transitions. [2024-12-02 07:10:59,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:10:59,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 317 [2024-12-02 07:10:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:10:59,125 INFO L225 Difference]: With dead ends: 9894 [2024-12-02 07:10:59,125 INFO L226 Difference]: Without dead ends: 9892 [2024-12-02 07:10:59,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:10:59,129 INFO L435 NwaCegarLoop]: 2615 mSDtfsCounter, 2421 mSDsluCounter, 5390 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2422 SdHoareTripleChecker+Valid, 8005 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:10:59,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 8005 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:10:59,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9892 states. [2024-12-02 07:10:59,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9892 to 9892. [2024-12-02 07:10:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9892 states, 7354 states have (on average 1.2972531955398423) internal successors, (9540), 7428 states have internal predecessors, (9540), 2067 states have call successors, (2067), 472 states have call predecessors, (2067), 468 states have return successors, (2213), 2030 states have call predecessors, (2213), 2063 states have call successors, (2213) [2024-12-02 07:10:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 9892 states and 13820 transitions. [2024-12-02 07:10:59,558 INFO L78 Accepts]: Start accepts. Automaton has 9892 states and 13820 transitions. Word has length 317 [2024-12-02 07:10:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:10:59,558 INFO L471 AbstractCegarLoop]: Abstraction has 9892 states and 13820 transitions. [2024-12-02 07:10:59,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 07:10:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 9892 states and 13820 transitions. [2024-12-02 07:10:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-12-02 07:10:59,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:10:59,564 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 5, 5, 5, 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] [2024-12-02 07:10:59,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:10:59,564 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)] === [2024-12-02 07:10:59,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:10:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 425308621, now seen corresponding path program 1 times [2024-12-02 07:10:59,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:10:59,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595603016] [2024-12-02 07:10:59,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:10:59,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:11:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:11:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2024-12-02 07:11:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:11:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595603016] [2024-12-02 07:11:18,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595603016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:11:18,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:11:18,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:11:18,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868180205] [2024-12-02 07:11:18,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:11:18,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:11:18,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:11:18,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:11:18,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:11:18,333 INFO L87 Difference]: Start difference. First operand 9892 states and 13820 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:11:22,420 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 [] [2024-12-02 07:11:23,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:11:23,623 INFO L93 Difference]: Finished difference Result 23289 states and 32539 transitions. [2024-12-02 07:11:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:11:23,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2024-12-02 07:11:23,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:11:23,672 INFO L225 Difference]: With dead ends: 23289 [2024-12-02 07:11:23,672 INFO L226 Difference]: Without dead ends: 16449 [2024-12-02 07:11:23,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:11:23,694 INFO L435 NwaCegarLoop]: 5068 mSDtfsCounter, 2459 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2459 SdHoareTripleChecker+Valid, 7654 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:11:23,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 7654 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 07:11:23,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16449 states. [2024-12-02 07:11:24,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16449 to 16411. [2024-12-02 07:11:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16411 states, 12223 states have (on average 1.2979628569091057) internal successors, (15865), 12337 states have internal predecessors, (15865), 3409 states have call successors, (3409), 782 states have call predecessors, (3409), 776 states have return successors, (3655), 3358 states have call predecessors, (3655), 3405 states have call successors, (3655) [2024-12-02 07:11:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16411 states to 16411 states and 22929 transitions. [2024-12-02 07:11:24,386 INFO L78 Accepts]: Start accepts. Automaton has 16411 states and 22929 transitions. Word has length 331 [2024-12-02 07:11:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:11:24,387 INFO L471 AbstractCegarLoop]: Abstraction has 16411 states and 22929 transitions. [2024-12-02 07:11:24,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:11:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 16411 states and 22929 transitions. [2024-12-02 07:11:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 07:11:24,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:11:24,395 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:11:24,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:11:24,395 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)] === [2024-12-02 07:11:24,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:11:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2069901117, now seen corresponding path program 1 times [2024-12-02 07:11:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:11:24,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602772862] [2024-12-02 07:11:24,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:11:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:11:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:11:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2024-12-02 07:11:43,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:11:43,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602772862] [2024-12-02 07:11:43,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602772862] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:11:43,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:11:43,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:11:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143419825] [2024-12-02 07:11:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:11:43,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:11:43,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:11:43,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:11:43,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:11:43,309 INFO L87 Difference]: Start difference. First operand 16411 states and 22929 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:11:47,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:11:48,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:11:48,793 INFO L93 Difference]: Finished difference Result 36289 states and 50714 transitions. [2024-12-02 07:11:48,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:11:48,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 332 [2024-12-02 07:11:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:11:48,851 INFO L225 Difference]: With dead ends: 36289 [2024-12-02 07:11:48,851 INFO L226 Difference]: Without dead ends: 22930 [2024-12-02 07:11:48,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:11:48,885 INFO L435 NwaCegarLoop]: 5049 mSDtfsCounter, 2439 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 7633 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:11:48,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 7633 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 07:11:48,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2024-12-02 07:11:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22926. [2024-12-02 07:11:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22926 states, 17088 states have (on average 1.2983380149812733) internal successors, (22186), 17242 states have internal predecessors, (22186), 4751 states have call successors, (4751), 1092 states have call predecessors, (4751), 1084 states have return successors, (5097), 4686 states have call predecessors, (5097), 4747 states have call successors, (5097) [2024-12-02 07:11:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 32034 transitions. [2024-12-02 07:11:49,688 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 32034 transitions. Word has length 332 [2024-12-02 07:11:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:11:49,688 INFO L471 AbstractCegarLoop]: Abstraction has 22926 states and 32034 transitions. [2024-12-02 07:11:49,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-12-02 07:11:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 32034 transitions. [2024-12-02 07:11:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 07:11:49,695 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:11:49,695 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 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] [2024-12-02 07:11:49,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:11:49,695 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)] === [2024-12-02 07:11:49,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:11:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash 904839175, now seen corresponding path program 1 times [2024-12-02 07:11:49,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:11:49,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22364884] [2024-12-02 07:11:49,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:11:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:12:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:12:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2024-12-02 07:12:09,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:12:09,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22364884] [2024-12-02 07:12:09,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22364884] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:12:09,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:12:09,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:12:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125811230] [2024-12-02 07:12:09,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:12:09,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:12:09,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:12:09,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:12:09,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:12:09,789 INFO L87 Difference]: Start difference. First operand 22926 states and 32034 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 07:12:10,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:12:10,776 INFO L93 Difference]: Finished difference Result 22932 states and 32039 transitions. [2024-12-02 07:12:10,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:12:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 322 [2024-12-02 07:12:10,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:12:10,856 INFO L225 Difference]: With dead ends: 22932 [2024-12-02 07:12:10,857 INFO L226 Difference]: Without dead ends: 22930 [2024-12-02 07:12:10,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:12:10,872 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2536 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 7837 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 [2024-12-02 07:12:10,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:12:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2024-12-02 07:12:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22930. [2024-12-02 07:12:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22930 states, 17091 states have (on average 1.298285647416769) internal successors, (22189), 17245 states have internal predecessors, (22189), 4751 states have call successors, (4751), 1093 states have call predecessors, (4751), 1085 states have return successors, (5097), 4686 states have call predecessors, (5097), 4747 states have call successors, (5097) [2024-12-02 07:12:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 32037 transitions. [2024-12-02 07:12:11,750 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 32037 transitions. Word has length 322 [2024-12-02 07:12:11,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:12:11,750 INFO L471 AbstractCegarLoop]: Abstraction has 22930 states and 32037 transitions. [2024-12-02 07:12:11,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 07:12:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 32037 transitions. [2024-12-02 07:12:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 07:12:11,760 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:12:11,760 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 7, 6, 6, 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] [2024-12-02 07:12:11,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:12:11,761 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)] === [2024-12-02 07:12:11,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:12:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash -820259569, now seen corresponding path program 1 times [2024-12-02 07:12:11,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:12:11,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341886504] [2024-12-02 07:12:11,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:12:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:12:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:12:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2024-12-02 07:12:31,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:12:31,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341886504] [2024-12-02 07:12:31,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341886504] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:12:31,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:12:31,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:12:31,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56060064] [2024-12-02 07:12:31,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:12:31,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:12:31,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:12:31,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:12:31,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:12:31,550 INFO L87 Difference]: Start difference. First operand 22930 states and 32037 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:12:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:12:32,477 INFO L93 Difference]: Finished difference Result 22936 states and 32042 transitions. [2024-12-02 07:12:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:12:32,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 327 [2024-12-02 07:12:32,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:12:32,531 INFO L225 Difference]: With dead ends: 22936 [2024-12-02 07:12:32,531 INFO L226 Difference]: Without dead ends: 22932 [2024-12-02 07:12:32,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:12:32,542 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2535 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 7837 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 [2024-12-02 07:12:32,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:12:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22932 states. [2024-12-02 07:12:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22932 to 22932. [2024-12-02 07:12:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22932 states, 17093 states have (on average 1.2981922424384251) internal successors, (22190), 17246 states have internal predecessors, (22190), 4751 states have call successors, (4751), 1094 states have call predecessors, (4751), 1085 states have return successors, (5097), 4686 states have call predecessors, (5097), 4747 states have call successors, (5097) [2024-12-02 07:12:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22932 states to 22932 states and 32038 transitions. [2024-12-02 07:12:33,333 INFO L78 Accepts]: Start accepts. Automaton has 22932 states and 32038 transitions. Word has length 327 [2024-12-02 07:12:33,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:12:33,334 INFO L471 AbstractCegarLoop]: Abstraction has 22932 states and 32038 transitions. [2024-12-02 07:12:33,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 07:12:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 22932 states and 32038 transitions. [2024-12-02 07:12:33,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-12-02 07:12:33,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:12:33,341 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 8, 7, 7, 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] [2024-12-02 07:12:33,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:12:33,341 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)] === [2024-12-02 07:12:33,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:12:33,342 INFO L85 PathProgramCache]: Analyzing trace with hash -845693753, now seen corresponding path program 1 times [2024-12-02 07:12:33,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:12:33,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616709281] [2024-12-02 07:12:33,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:12:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:12:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:12:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2024-12-02 07:12:52,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:12:52,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616709281] [2024-12-02 07:12:52,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616709281] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:12:52,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:12:52,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:12:52,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010225032] [2024-12-02 07:12:52,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:12:52,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:12:52,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:12:52,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:12:52,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:12:52,936 INFO L87 Difference]: Start difference. First operand 22932 states and 32038 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-12-02 07:12:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:12:53,831 INFO L93 Difference]: Finished difference Result 22932 states and 32038 transitions. [2024-12-02 07:12:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:12:53,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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 332 [2024-12-02 07:12:53,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:12:53,889 INFO L225 Difference]: With dead ends: 22932 [2024-12-02 07:12:53,889 INFO L226 Difference]: Without dead ends: 22789 [2024-12-02 07:12:53,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:12:53,900 INFO L435 NwaCegarLoop]: 2615 mSDtfsCounter, 2531 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 7833 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:12:53,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 7833 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:12:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22789 states. [2024-12-02 07:12:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22789 to 22789. [2024-12-02 07:12:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22789 states, 16997 states have (on average 1.298935106195211) internal successors, (22078), 17138 states have internal predecessors, (22078), 4716 states have call successors, (4716), 1081 states have call predecessors, (4716), 1074 states have return successors, (5066), 4664 states have call predecessors, (5066), 4716 states have call successors, (5066) [2024-12-02 07:12:54,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22789 states to 22789 states and 31860 transitions. [2024-12-02 07:12:54,737 INFO L78 Accepts]: Start accepts. Automaton has 22789 states and 31860 transitions. Word has length 332 [2024-12-02 07:12:54,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:12:54,738 INFO L471 AbstractCegarLoop]: Abstraction has 22789 states and 31860 transitions. [2024-12-02 07:12:54,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-12-02 07:12:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 22789 states and 31860 transitions. [2024-12-02 07:12:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-12-02 07:12:54,749 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:12:54,749 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 07:12:54,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:12:54,749 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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)] === [2024-12-02 07:12:54,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:12:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash 259250386, now seen corresponding path program 1 times [2024-12-02 07:12:54,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:12:54,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629219868] [2024-12-02 07:12:54,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:12:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-12-02 07:13:13,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:13,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629219868] [2024-12-02 07:13:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629219868] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:13,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:13,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:13:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14960130] [2024-12-02 07:13:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:13,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:13:13,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:13,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:13:13,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:13,929 INFO L87 Difference]: Start difference. First operand 22789 states and 31860 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:13:18,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:13:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:19,655 INFO L93 Difference]: Finished difference Result 49025 states and 68528 transitions. [2024-12-02 07:13:19,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:13:19,655 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, (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 363 [2024-12-02 07:13:19,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:19,721 INFO L225 Difference]: With dead ends: 49025 [2024-12-02 07:13:19,721 INFO L226 Difference]: Without dead ends: 29276 [2024-12-02 07:13:19,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:19,756 INFO L435 NwaCegarLoop]: 5003 mSDtfsCounter, 2428 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2428 SdHoareTripleChecker+Valid, 7548 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:19,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 7548 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 07:13:19,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29276 states. [2024-12-02 07:13:20,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29276 to 22789. [2024-12-02 07:13:20,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22789 states, 16997 states have (on average 1.298935106195211) internal successors, (22078), 17138 states have internal predecessors, (22078), 4716 states have call successors, (4716), 1081 states have call predecessors, (4716), 1074 states have return successors, (5066), 4664 states have call predecessors, (5066), 4716 states have call successors, (5066) [2024-12-02 07:13:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22789 states to 22789 states and 31860 transitions. [2024-12-02 07:13:20,605 INFO L78 Accepts]: Start accepts. Automaton has 22789 states and 31860 transitions. Word has length 363 [2024-12-02 07:13:20,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:20,605 INFO L471 AbstractCegarLoop]: Abstraction has 22789 states and 31860 transitions. [2024-12-02 07:13:20,605 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:13:20,605 INFO L276 IsEmpty]: Start isEmpty. Operand 22789 states and 31860 transitions. [2024-12-02 07:13:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-12-02 07:13:20,616 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:20,616 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 07:13:20,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:13:20,617 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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)] === [2024-12-02 07:13:20,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:20,617 INFO L85 PathProgramCache]: Analyzing trace with hash -956903340, now seen corresponding path program 1 times [2024-12-02 07:13:20,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:20,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540014779] [2024-12-02 07:13:20,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-12-02 07:13:39,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:13:39,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540014779] [2024-12-02 07:13:39,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540014779] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:13:39,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:13:39,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:13:39,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979295484] [2024-12-02 07:13:39,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:13:39,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:13:39,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:13:39,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:13:39,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:39,560 INFO L87 Difference]: Start difference. First operand 22789 states and 31860 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:13:43,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:13:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:45,362 INFO L93 Difference]: Finished difference Result 49041 states and 68560 transitions. [2024-12-02 07:13:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:13:45,363 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, (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 363 [2024-12-02 07:13:45,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:13:45,433 INFO L225 Difference]: With dead ends: 49041 [2024-12-02 07:13:45,433 INFO L226 Difference]: Without dead ends: 29304 [2024-12-02 07:13:45,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:13:45,471 INFO L435 NwaCegarLoop]: 5002 mSDtfsCounter, 2434 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2434 SdHoareTripleChecker+Valid, 7543 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:13:45,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2434 Valid, 7543 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 07:13:45,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29304 states. [2024-12-02 07:13:46,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29304 to 29300. [2024-12-02 07:13:46,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29300 states, 21858 states have (on average 1.2990667032665386) internal successors, (28395), 22039 states have internal predecessors, (28395), 6058 states have call successors, (6058), 1391 states have call predecessors, (6058), 1382 states have return successors, (6508), 5992 states have call predecessors, (6508), 6058 states have call successors, (6508) [2024-12-02 07:13:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29300 states to 29300 states and 40961 transitions. [2024-12-02 07:13:46,620 INFO L78 Accepts]: Start accepts. Automaton has 29300 states and 40961 transitions. Word has length 363 [2024-12-02 07:13:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:13:46,620 INFO L471 AbstractCegarLoop]: Abstraction has 29300 states and 40961 transitions. [2024-12-02 07:13:46,620 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:13:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29300 states and 40961 transitions. [2024-12-02 07:13:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-12-02 07:13:46,632 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:13:46,632 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 19, 19, 19, 19, 19, 19, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:13:46,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:13:46,632 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)] === [2024-12-02 07:13:46,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:46,633 INFO L85 PathProgramCache]: Analyzing trace with hash 632605752, now seen corresponding path program 1 times [2024-12-02 07:13:46,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:13:46,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43228691] [2024-12-02 07:13:46,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:46,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:06,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2215 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2024-12-02 07:14:06,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:06,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43228691] [2024-12-02 07:14:06,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43228691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:06,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:06,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:06,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113426880] [2024-12-02 07:14:06,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:06,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:06,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:06,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:06,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:06,885 INFO L87 Difference]: Start difference. First operand 29300 states and 40961 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:14:10,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:14:13,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:13,190 INFO L93 Difference]: Finished difference Result 67870 states and 94881 transitions. [2024-12-02 07:14:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:13,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 385 [2024-12-02 07:14:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:13,316 INFO L225 Difference]: With dead ends: 67870 [2024-12-02 07:14:13,316 INFO L226 Difference]: Without dead ends: 41622 [2024-12-02 07:14:13,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:13,397 INFO L435 NwaCegarLoop]: 4797 mSDtfsCounter, 2241 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 7335 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:13,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 7335 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 07:14:13,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41622 states. [2024-12-02 07:14:14,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41622 to 41614. [2024-12-02 07:14:14,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41614 states, 31078 states have (on average 1.2995366497200591) internal successors, (40387), 31327 states have internal predecessors, (40387), 8562 states have call successors, (8562), 1985 states have call predecessors, (8562), 1972 states have return successors, (9212), 8468 states have call predecessors, (9212), 8562 states have call successors, (9212) [2024-12-02 07:14:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41614 states to 41614 states and 58161 transitions. [2024-12-02 07:14:15,066 INFO L78 Accepts]: Start accepts. Automaton has 41614 states and 58161 transitions. Word has length 385 [2024-12-02 07:14:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:15,066 INFO L471 AbstractCegarLoop]: Abstraction has 41614 states and 58161 transitions. [2024-12-02 07:14:15,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 07:14:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 41614 states and 58161 transitions. [2024-12-02 07:14:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2024-12-02 07:14:15,084 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:15,085 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 22, 22, 22, 22, 22, 22, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:15,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 07:14:15,085 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)] === [2024-12-02 07:14:15,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1876631732, now seen corresponding path program 1 times [2024-12-02 07:14:15,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:15,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924940847] [2024-12-02 07:14:15,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:14:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:14:34,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2382 trivial. 0 not checked. [2024-12-02 07:14:34,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:14:34,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924940847] [2024-12-02 07:14:34,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924940847] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:14:34,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:14:34,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:14:34,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079061016] [2024-12-02 07:14:34,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:14:34,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:14:34,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:14:34,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:14:34,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:34,820 INFO L87 Difference]: Start difference. First operand 41614 states and 58161 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 07:14:38,907 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 [] [2024-12-02 07:14:43,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:14:43,383 INFO L93 Difference]: Finished difference Result 119660 states and 166884 transitions. [2024-12-02 07:14:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:14:43,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 425 [2024-12-02 07:14:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:14:43,621 INFO L225 Difference]: With dead ends: 119660 [2024-12-02 07:14:43,621 INFO L226 Difference]: Without dead ends: 78089 [2024-12-02 07:14:43,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:14:43,724 INFO L435 NwaCegarLoop]: 2859 mSDtfsCounter, 2196 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 5333 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:14:43,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 5333 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-12-02 07:14:43,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78089 states. [2024-12-02 07:14:46,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78089 to 78033. [2024-12-02 07:14:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78033 states, 58022 states have (on average 1.2926476164213574) internal successors, (75002), 58571 states have internal predecessors, (75002), 16143 states have call successors, (16143), 3892 states have call predecessors, (16143), 3866 states have return successors, (16832), 15903 states have call predecessors, (16832), 16143 states have call successors, (16832) [2024-12-02 07:14:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78033 states to 78033 states and 107977 transitions. [2024-12-02 07:14:47,103 INFO L78 Accepts]: Start accepts. Automaton has 78033 states and 107977 transitions. Word has length 425 [2024-12-02 07:14:47,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:14:47,103 INFO L471 AbstractCegarLoop]: Abstraction has 78033 states and 107977 transitions. [2024-12-02 07:14:47,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 07:14:47,104 INFO L276 IsEmpty]: Start isEmpty. Operand 78033 states and 107977 transitions. [2024-12-02 07:14:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-12-02 07:14:47,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:14:47,134 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:14:47,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 07:14:47,134 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)] === [2024-12-02 07:14:47,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:14:47,134 INFO L85 PathProgramCache]: Analyzing trace with hash 12086725, now seen corresponding path program 1 times [2024-12-02 07:14:47,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:14:47,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691174120] [2024-12-02 07:14:47,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:14:47,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-12-02 07:15:08,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:08,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691174120] [2024-12-02 07:15:08,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691174120] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:08,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:08,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:15:08,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866489055] [2024-12-02 07:15:08,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:08,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:15:08,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:08,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:15:08,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:15:08,172 INFO L87 Difference]: Start difference. First operand 78033 states and 107977 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:15:12,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:16,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:16,696 INFO L93 Difference]: Finished difference Result 173265 states and 239717 transitions. [2024-12-02 07:15:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:15:16,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) Word has length 413 [2024-12-02 07:15:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:17,011 INFO L225 Difference]: With dead ends: 173265 [2024-12-02 07:15:17,011 INFO L226 Difference]: Without dead ends: 100897 [2024-12-02 07:15:17,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:15:17,171 INFO L435 NwaCegarLoop]: 4797 mSDtfsCounter, 2221 mSDsluCounter, 12123 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 16920 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:17,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 16920 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 07:15:17,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100897 states. [2024-12-02 07:15:21,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100897 to 100853. [2024-12-02 07:15:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100853 states, 74990 states have (on average 1.2927857047606348) internal successors, (96946), 75691 states have internal predecessors, (96946), 20839 states have call successors, (20839), 5040 states have call predecessors, (20839), 5022 states have return successors, (21756), 20543 states have call predecessors, (21756), 20839 states have call successors, (21756) [2024-12-02 07:15:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100853 states to 100853 states and 139541 transitions. [2024-12-02 07:15:21,555 INFO L78 Accepts]: Start accepts. Automaton has 100853 states and 139541 transitions. Word has length 413 [2024-12-02 07:15:21,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:21,556 INFO L471 AbstractCegarLoop]: Abstraction has 100853 states and 139541 transitions. [2024-12-02 07:15:21,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:15:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 100853 states and 139541 transitions. [2024-12-02 07:15:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-12-02 07:15:21,595 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:21,595 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:21,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 07:15:21,596 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:15:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash 352129325, now seen corresponding path program 1 times [2024-12-02 07:15:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:21,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665802523] [2024-12-02 07:15:21,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:15:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:15:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-12-02 07:15:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:15:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665802523] [2024-12-02 07:15:42,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665802523] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:15:42,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:15:42,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:15:42,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463891525] [2024-12-02 07:15:42,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:15:42,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:15:42,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:15:42,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:15:42,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:15:42,555 INFO L87 Difference]: Start difference. First operand 100853 states and 139541 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:15:46,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:15:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:15:52,420 INFO L93 Difference]: Finished difference Result 219257 states and 303245 transitions. [2024-12-02 07:15:52,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:15:52,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) Word has length 414 [2024-12-02 07:15:52,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:15:52,758 INFO L225 Difference]: With dead ends: 219257 [2024-12-02 07:15:52,758 INFO L226 Difference]: Without dead ends: 124069 [2024-12-02 07:15:52,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:15:52,919 INFO L435 NwaCegarLoop]: 4799 mSDtfsCounter, 2294 mSDsluCounter, 12073 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 16872 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:15:52,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 16872 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 07:15:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124069 states. [2024-12-02 07:15:57,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124069 to 124025. [2024-12-02 07:15:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124025 states, 92262 states have (on average 1.2922546660596996) internal successors, (119226), 93115 states have internal predecessors, (119226), 25551 states have call successors, (25551), 6220 states have call predecessors, (25551), 6210 states have return successors, (26696), 25199 states have call predecessors, (26696), 25551 states have call successors, (26696) [2024-12-02 07:15:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124025 states to 124025 states and 171473 transitions. [2024-12-02 07:15:58,039 INFO L78 Accepts]: Start accepts. Automaton has 124025 states and 171473 transitions. Word has length 414 [2024-12-02 07:15:58,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:15:58,040 INFO L471 AbstractCegarLoop]: Abstraction has 124025 states and 171473 transitions. [2024-12-02 07:15:58,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:15:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 124025 states and 171473 transitions. [2024-12-02 07:15:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2024-12-02 07:15:58,075 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:15:58,075 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:15:58,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 07:15:58,075 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:15:58,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:15:58,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1333595458, now seen corresponding path program 1 times [2024-12-02 07:15:58,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:15:58,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629000454] [2024-12-02 07:15:58,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:15:58,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-12-02 07:16:19,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:19,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629000454] [2024-12-02 07:16:19,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629000454] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:19,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:19,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:16:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983426701] [2024-12-02 07:16:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:19,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:16:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:19,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:16:19,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:16:19,467 INFO L87 Difference]: Start difference. First operand 124025 states and 171473 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:16:23,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:16:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:16:30,318 INFO L93 Difference]: Finished difference Result 265329 states and 366869 transitions. [2024-12-02 07:16:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:16:30,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2024-12-02 07:16:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:16:30,788 INFO L225 Difference]: With dead ends: 265329 [2024-12-02 07:16:30,788 INFO L226 Difference]: Without dead ends: 146969 [2024-12-02 07:16:31,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:16:31,047 INFO L435 NwaCegarLoop]: 4777 mSDtfsCounter, 2305 mSDsluCounter, 11999 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 16776 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:16:31,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 16776 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 07:16:31,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146969 states. [2024-12-02 07:16:36,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146969 to 146925. [2024-12-02 07:16:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146925 states, 109310 states have (on average 1.292196505351752) internal successors, (141250), 110315 states have internal predecessors, (141250), 30247 states have call successors, (30247), 7368 states have call predecessors, (30247), 7366 states have return successors, (31620), 29839 states have call predecessors, (31620), 30247 states have call successors, (31620) [2024-12-02 07:16:37,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146925 states to 146925 states and 203117 transitions. [2024-12-02 07:16:37,234 INFO L78 Accepts]: Start accepts. Automaton has 146925 states and 203117 transitions. Word has length 415 [2024-12-02 07:16:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:16:37,234 INFO L471 AbstractCegarLoop]: Abstraction has 146925 states and 203117 transitions. [2024-12-02 07:16:37,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 07:16:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 146925 states and 203117 transitions. [2024-12-02 07:16:37,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-12-02 07:16:37,272 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:16:37,272 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:16:37,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 07:16:37,272 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 07:16:37,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:16:37,272 INFO L85 PathProgramCache]: Analyzing trace with hash 724354634, now seen corresponding path program 1 times [2024-12-02 07:16:37,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:16:37,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232318613] [2024-12-02 07:16:37,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:16:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:16:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:16:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2404 trivial. 0 not checked. [2024-12-02 07:16:59,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:16:59,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232318613] [2024-12-02 07:16:59,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232318613] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:16:59,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:16:59,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:16:59,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265267682] [2024-12-02 07:16:59,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:16:59,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:16:59,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:16:59,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:16:59,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:16:59,797 INFO L87 Difference]: Start difference. First operand 146925 states and 203117 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-12-02 07:17:05,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:17:05,000 INFO L93 Difference]: Finished difference Result 146925 states and 203117 transitions. [2024-12-02 07:17:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:17:05,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 416 [2024-12-02 07:17:05,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:17:05,472 INFO L225 Difference]: With dead ends: 146925 [2024-12-02 07:17:05,472 INFO L226 Difference]: Without dead ends: 146923 [2024-12-02 07:17:05,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:17:05,519 INFO L435 NwaCegarLoop]: 2564 mSDtfsCounter, 2339 mSDsluCounter, 5301 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 7865 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:17:05,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 7865 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 07:17:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146923 states. [2024-12-02 07:17:13,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146923 to 146923. [2024-12-02 07:17:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146923 states, 109309 states have (on average 1.2916685725786532) internal successors, (141191), 110313 states have internal predecessors, (141191), 30247 states have call successors, (30247), 7368 states have call predecessors, (30247), 7366 states have return successors, (31620), 29839 states have call predecessors, (31620), 30247 states have call successors, (31620) [2024-12-02 07:17:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146923 states to 146923 states and 203058 transitions. [2024-12-02 07:17:14,161 INFO L78 Accepts]: Start accepts. Automaton has 146923 states and 203058 transitions. Word has length 416 [2024-12-02 07:17:14,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:17:14,161 INFO L471 AbstractCegarLoop]: Abstraction has 146923 states and 203058 transitions. [2024-12-02 07:17:14,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-12-02 07:17:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 146923 states and 203058 transitions. [2024-12-02 07:17:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-12-02 07:17:14,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:17:14,242 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 19, 19, 19, 19, 19, 19, 7, 7, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:17:14,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 07:17:14,242 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2024-12-02 07:17:14,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:17:14,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1055342407, now seen corresponding path program 1 times [2024-12-02 07:17:14,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:17:14,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965542860] [2024-12-02 07:17:14,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:17:14,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:17:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:17:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2428 trivial. 0 not checked. [2024-12-02 07:17:36,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:17:36,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965542860] [2024-12-02 07:17:36,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965542860] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:17:36,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:17:36,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:17:36,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327839499] [2024-12-02 07:17:36,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:17:36,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:17:36,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:17:36,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:17:36,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:17:36,841 INFO L87 Difference]: Start difference. First operand 146923 states and 203058 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 1 states have call successors, (39) [2024-12-02 07:17:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:17:46,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:17:46,927 INFO L93 Difference]: Finished difference Result 146923 states and 203058 transitions. [2024-12-02 07:17:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:17:46,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 1 states have call successors, (39) Word has length 437 [2024-12-02 07:17:46,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:17:46,994 INFO L225 Difference]: With dead ends: 146923 [2024-12-02 07:17:46,994 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:17:47,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:17:47,183 INFO L435 NwaCegarLoop]: 2628 mSDtfsCounter, 170 mSDsluCounter, 7700 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 10328 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:17:47,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 10328 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 07:17:47,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:17:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:17:47,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:17:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:17:47,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 437 [2024-12-02 07:17:47,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:17:47,248 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:17:47,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 1 states have call successors, (39) [2024-12-02 07:17:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:17:47,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:17:47,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 07:17:47,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 07:17:47,254 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 07:17:47,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 07:17:47,259 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:17:47,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.