./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ad0f28a452ce488be484f9b276528579c67e641129109910b2b8f3d9d89b696d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:34:48,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:34:48,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 22:34:48,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:34:48,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:34:48,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:34:48,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:34:48,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:34:48,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:34:48,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:34:48,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:34:48,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:34:48,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:34:48,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:34:48,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:34:48,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:34:48,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:34:48,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:34:48,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:34:48,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:34:48,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:48,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:48,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:34:48,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:34:48,800 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:34:48,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:34:48,801 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_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad0f28a452ce488be484f9b276528579c67e641129109910b2b8f3d9d89b696d [2024-11-23 22:34:49,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:34:49,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:34:49,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:34:49,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:34:49,123 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:34:49,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-11-23 22:34:52,216 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/data/ce12501d4/50ad0731c0a9469787cbba6438abebac/FLAG43f16f936 [2024-11-23 22:34:53,021 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:34:53,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-11-23 22:34:53,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/data/ce12501d4/50ad0731c0a9469787cbba6438abebac/FLAG43f16f936 [2024-11-23 22:34:53,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/data/ce12501d4/50ad0731c0a9469787cbba6438abebac [2024-11-23 22:34:53,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:34:53,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:34:53,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:53,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:34:53,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:34:53,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533cd4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:53, skipping insertion in model container [2024-11-23 22:34:53,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:34:53" (1/1) ... [2024-11-23 22:34:53,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:34:56,012 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_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:56,179 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:34:56,325 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] [2024-11-23 22:34:56,327 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] [2024-11-23 22:34:56,328 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] [2024-11-23 22:34:56,328 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] [2024-11-23 22:34:56,328 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] [2024-11-23 22:34:56,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [4807] [2024-11-23 22:34:56,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4810] [2024-11-23 22:34:56,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4813] [2024-11-23 22:34:56,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [4816] [2024-11-23 22:34:56,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr))); [4875] [2024-11-23 22:34:56,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [4882] [2024-11-23 22:34:56,356 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] [2024-11-23 22:34:56,772 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_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,773 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_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,773 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_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,774 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_999dea93-929a-48c4-90e8-456824804383/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] [2024-11-23 22:34:56,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:34:56,952 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:34:56,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56 WrapperNode [2024-11-23 22:34:56,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:34:56,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:56,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:34:56,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:34:56,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:34:57,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:34:58,373 INFO L138 Inliner]: procedures = 381, calls = 4114, calls flagged for inlining = 206, calls inlined = 197, statements flattened = 8641 [2024-11-23 22:34:58,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:34:58,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:34:58,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:34:58,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:34:58,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:34:58,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:34:58,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:01,219 INFO L175 MemorySlicer]: Split 2910 memory accesses to 22 slices as follows [13, 43, 358, 4, 1, 27, 1, 2, 120, 8, 8, 14, 5, 6, 4, 14, 6, 3, 2, 822, 238, 1211]. 42 percent of accesses are in the largest equivalence class. The 545 initializations are split as follows [13, 0, 358, 4, 0, 0, 1, 2, 120, 5, 5, 14, 4, 3, 4, 0, 3, 2, 0, 0, 0, 7]. The 1391 writes are split as follows [0, 32, 0, 0, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 0, 0, 0, 301, 204, 816]. [2024-11-23 22:35:01,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:01,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:01,998 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:02,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:02,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:02,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:02,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (1/1) ... [2024-11-23 22:35:02,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:02,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:02,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:02,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_999dea93-929a-48c4-90e8-456824804383/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 22:35:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 22:35:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 22:35:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 22:35:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 22:35:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 22:35:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 22:35:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 22:35:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 22:35:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 22:35:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 22:35:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 22:35:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 22:35:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 22:35:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_schedule_next [2024-11-23 22:35:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_schedule_next [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 22:35:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 22:35:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_configure_geometry [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_configure_geometry [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_set [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_set [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 22:35:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-11-23 22:35:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-11-23 22:35:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_release [2024-11-23 22:35:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_release [2024-11-23 22:35:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_remove [2024-11-23 22:35:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_remove [2024-11-23 22:35:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2024-11-23 22:35:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_vou_exit_9_2 [2024-11-23 22:35:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-11-23 22:35:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-11-23 22:35:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2024-11-23 22:35:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2024-11-23 22:35:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_m_write [2024-11-23 22:35:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_m_write [2024-11-23 22:35:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure free_buffer [2024-11-23 22:35:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure free_buffer [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq [2024-11-23 22:35:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 22:35:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-23 22:35:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:35:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 22:35:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 22:35:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-23 22:35:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-23 22:35:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma_contig [2024-11-23 22:35:02,393 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma_contig [2024-11-23 22:35:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_write [2024-11-23 22:35:02,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_write [2024-11-23 22:35:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_open [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_open [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_read [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_read [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-23 22:35:02,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-23 22:35:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-23 22:35:02,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 22:35:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 22:35:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_hw_init [2024-11-23 22:35:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_hw_init [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure printk_timed_ratelimit [2024-11-23 22:35:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_timed_ratelimit [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:35:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:35:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:35:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:35:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:35:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:35:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:35:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 22:35:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 22:35:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 22:35:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 22:35:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 22:35:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 22:35:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 22:35:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_poll [2024-11-23 22:35:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_poll [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-23 22:35:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 22:35:02,402 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:35:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 22:35:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-23 22:35:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_mmap [2024-11-23 22:35:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_mmap [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-23 22:35:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2024-11-23 22:35:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 22:35:02,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 22:35:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2024-11-23 22:35:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2024-11-23 22:35:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_vou_device [2024-11-23 22:35:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_vou_device [2024-11-23 22:35:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 22:35:02,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 22:35:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:35:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-23 22:35:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-23 22:35:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-23 22:35:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-23 22:35:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_ab_write [2024-11-23 22:35:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_ab_write [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-11-23 22:35:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-23 22:35:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_put_adapter [2024-11-23 22:35:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_put_adapter [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 22:35:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 22:35:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:35:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 22:35:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 22:35:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure v4l_bound_align_image [2024-11-23 22:35:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l_bound_align_image [2024-11-23 22:35:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_vou_device [2024-11-23 22:35:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_vou_device [2024-11-23 22:35:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_reg_a_set [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_reg_a_set [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure __readl [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __readl [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure vou_adjust_input [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vou_adjust_input [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-23 22:35:02,413 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:35:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2024-11-23 22:35:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 22:35:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_probe [2024-11-23 22:35:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_probe [2024-11-23 22:35:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure sh_vou_ntsc_mode [2024-11-23 22:35:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_vou_ntsc_mode [2024-11-23 22:35:04,126 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:04,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:04,154 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 22:35:33,213 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-23 22:35:45,650 INFO L? ?]: Removed 2520 outVars from TransFormulas that were not future-live. [2024-11-23 22:35:45,650 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:45,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:45,696 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 22:35:45,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:45 BoogieIcfgContainer [2024-11-23 22:35:45,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:45,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:45,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:45,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:45,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:34:53" (1/3) ... [2024-11-23 22:35:45,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d29f62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:45, skipping insertion in model container [2024-11-23 22:35:45,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:34:56" (2/3) ... [2024-11-23 22:35:45,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d29f62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:45, skipping insertion in model container [2024-11-23 22:35:45,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:45" (3/3) ... [2024-11-23 22:35:45,708 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-sh_vou.cil.i [2024-11-23 22:35:45,732 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:45,735 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. [2024-11-23 22:35:45,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:35:45,882 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;@332ed91a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:35:45,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:35:45,893 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) [2024-11-23 22:35:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-23 22:35:45,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:35:45,927 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] [2024-11-23 22:35:45,927 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:35:45,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:35:45,932 INFO L85 PathProgramCache]: Analyzing trace with hash -165603794, now seen corresponding path program 1 times [2024-11-23 22:35:45,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:35:45,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15955496] [2024-11-23 22:35:45,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:35:45,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-23 22:36:15,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:15,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15955496] [2024-11-23 22:36:15,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15955496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:15,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:15,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:36:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185379361] [2024-11-23 22:36:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:15,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:15,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:15,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:15,342 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) [2024-11-23 22:36:19,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:36:20,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:20,981 INFO L93 Difference]: Finished difference Result 5507 states and 7836 transitions. [2024-11-23 22:36:20,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:20,984 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 [2024-11-23 22:36:20,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:21,046 INFO L225 Difference]: With dead ends: 5507 [2024-11-23 22:36:21,046 INFO L226 Difference]: Without dead ends: 3633 [2024-11-23 22:36:21,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:21,066 INFO L435 NwaCegarLoop]: 2655 mSDtfsCounter, 2476 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:21,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 5236 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 22:36:21,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states. [2024-11-23 22:36:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3629. [2024-11-23 22:36:21,423 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) [2024-11-23 22:36:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3629 states and 5056 transitions. [2024-11-23 22:36:21,470 INFO L78 Accepts]: Start accepts. Automaton has 3629 states and 5056 transitions. Word has length 239 [2024-11-23 22:36:21,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:21,474 INFO L471 AbstractCegarLoop]: Abstraction has 3629 states and 5056 transitions. [2024-11-23 22:36:21,475 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) [2024-11-23 22:36:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3629 states and 5056 transitions. [2024-11-23 22:36:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-23 22:36:21,489 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:21,489 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] [2024-11-23 22:36:21,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:36:21,490 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:36:21,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:21,492 INFO L85 PathProgramCache]: Analyzing trace with hash -145034805, now seen corresponding path program 1 times [2024-11-23 22:36:21,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:21,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648355107] [2024-11-23 22:36:21,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:21,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:36:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:36:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1604 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1604 trivial. 0 not checked. [2024-11-23 22:36:48,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:36:48,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648355107] [2024-11-23 22:36:48,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648355107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:36:48,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:36:48,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:36:48,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741141943] [2024-11-23 22:36:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:36:48,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:36:48,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:36:48,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:36:48,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:48,036 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) [2024-11-23 22:36:52,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:36:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:36:53,604 INFO L93 Difference]: Finished difference Result 10589 states and 14850 transitions. [2024-11-23 22:36:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:36:53,605 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 [2024-11-23 22:36:53,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:36:53,669 INFO L225 Difference]: With dead ends: 10589 [2024-11-23 22:36:53,670 INFO L226 Difference]: Without dead ends: 7003 [2024-11-23 22:36:53,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:36:53,688 INFO L435 NwaCegarLoop]: 2695 mSDtfsCounter, 2427 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:36:53,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 5286 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 22:36:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7003 states. [2024-11-23 22:36:54,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7003 to 6978. [2024-11-23 22:36:54,098 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) [2024-11-23 22:36:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6978 states to 6978 states and 9819 transitions. [2024-11-23 22:36:54,163 INFO L78 Accepts]: Start accepts. Automaton has 6978 states and 9819 transitions. Word has length 254 [2024-11-23 22:36:54,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:36:54,168 INFO L471 AbstractCegarLoop]: Abstraction has 6978 states and 9819 transitions. [2024-11-23 22:36:54,169 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) [2024-11-23 22:36:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 6978 states and 9819 transitions. [2024-11-23 22:36:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-23 22:36:54,195 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:36:54,196 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] [2024-11-23 22:36:54,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:36:54,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:36:54,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:36:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash 210297043, now seen corresponding path program 1 times [2024-11-23 22:36:54,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:36:54,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526570035] [2024-11-23 22:36:54,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:36:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2024-11-23 22:37:18,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:18,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526570035] [2024-11-23 22:37:18,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526570035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:18,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:18,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:37:18,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695505476] [2024-11-23 22:37:18,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:18,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:37:18,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:18,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:37:18,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:37:18,470 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) [2024-11-23 22:37:22,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:37:24,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:24,104 INFO L93 Difference]: Finished difference Result 16654 states and 23426 transitions. [2024-11-23 22:37:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:37:24,104 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 [2024-11-23 22:37:24,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:24,192 INFO L225 Difference]: With dead ends: 16654 [2024-11-23 22:37:24,193 INFO L226 Difference]: Without dead ends: 9719 [2024-11-23 22:37:24,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:37:24,228 INFO L435 NwaCegarLoop]: 2690 mSDtfsCounter, 2271 mSDsluCounter, 2587 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:37:24,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 5277 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-23 22:37:24,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9719 states. [2024-11-23 22:37:24,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9719 to 9694. [2024-11-23 22:37:24,697 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) [2024-11-23 22:37:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9694 states to 9694 states and 13620 transitions. [2024-11-23 22:37:24,782 INFO L78 Accepts]: Start accepts. Automaton has 9694 states and 13620 transitions. Word has length 258 [2024-11-23 22:37:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:24,783 INFO L471 AbstractCegarLoop]: Abstraction has 9694 states and 13620 transitions. [2024-11-23 22:37:24,783 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) [2024-11-23 22:37:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 9694 states and 13620 transitions. [2024-11-23 22:37:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-23 22:37:24,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:24,797 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] [2024-11-23 22:37:24,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:37:24,798 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)] === [2024-11-23 22:37:24,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:24,800 INFO L85 PathProgramCache]: Analyzing trace with hash 246142159, now seen corresponding path program 1 times [2024-11-23 22:37:24,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:24,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870846068] [2024-11-23 22:37:24,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:24,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:37:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:37:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-11-23 22:37:51,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:37:51,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870846068] [2024-11-23 22:37:51,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870846068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:37:51,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:37:51,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:37:51,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105344448] [2024-11-23 22:37:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:37:51,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:37:51,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:37:51,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:37:51,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:37:51,719 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) [2024-11-23 22:37:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:37:52,656 INFO L93 Difference]: Finished difference Result 9700 states and 13625 transitions. [2024-11-23 22:37:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:37:52,660 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 [2024-11-23 22:37:52,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:37:52,750 INFO L225 Difference]: With dead ends: 9700 [2024-11-23 22:37:52,750 INFO L226 Difference]: Without dead ends: 9698 [2024-11-23 22:37:52,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:37:52,759 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 [2024-11-23 22:37:52,759 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] [2024-11-23 22:37:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2024-11-23 22:37:53,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9698. [2024-11-23 22:37:53,447 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) [2024-11-23 22:37:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 13623 transitions. [2024-11-23 22:37:53,513 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 13623 transitions. Word has length 297 [2024-11-23 22:37:53,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:37:53,516 INFO L471 AbstractCegarLoop]: Abstraction has 9698 states and 13623 transitions. [2024-11-23 22:37:53,516 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) [2024-11-23 22:37:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 13623 transitions. [2024-11-23 22:37:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-23 22:37:53,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:37:53,530 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] [2024-11-23 22:37:53,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:37:53,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:37:53,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:37:53,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1512244871, now seen corresponding path program 1 times [2024-11-23 22:37:53,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:37:53,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308245094] [2024-11-23 22:37:53,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:37:53,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:38:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2024-11-23 22:38:18,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:38:18,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308245094] [2024-11-23 22:38:18,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308245094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:18,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:18,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:38:18,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473391034] [2024-11-23 22:38:18,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:18,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:38:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:38:18,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:38:18,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:38:18,576 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) [2024-11-23 22:38:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:19,513 INFO L93 Difference]: Finished difference Result 9704 states and 13628 transitions. [2024-11-23 22:38:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:38:19,514 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 [2024-11-23 22:38:19,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:19,583 INFO L225 Difference]: With dead ends: 9704 [2024-11-23 22:38:19,583 INFO L226 Difference]: Without dead ends: 9702 [2024-11-23 22:38:19,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:38:19,593 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2540 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:19,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:38:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9702 states. [2024-11-23 22:38:20,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9702 to 9702. [2024-11-23 22:38:20,114 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) [2024-11-23 22:38:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 13626 transitions. [2024-11-23 22:38:20,167 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 13626 transitions. Word has length 302 [2024-11-23 22:38:20,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:20,168 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 13626 transitions. [2024-11-23 22:38:20,170 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) [2024-11-23 22:38:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 13626 transitions. [2024-11-23 22:38:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-23 22:38:20,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:20,186 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] [2024-11-23 22:38:20,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:38:20,187 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:38:20,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:20,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2023440271, now seen corresponding path program 1 times [2024-11-23 22:38:20,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:38:20,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237650767] [2024-11-23 22:38:20,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:20,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:38:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:38:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1825 trivial. 0 not checked. [2024-11-23 22:38:45,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:38:45,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237650767] [2024-11-23 22:38:45,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237650767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:38:45,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:38:45,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:38:45,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115163122] [2024-11-23 22:38:45,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:38:45,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:38:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:38:45,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:38:45,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:38:45,167 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) [2024-11-23 22:38:46,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:38:46,100 INFO L93 Difference]: Finished difference Result 9708 states and 13631 transitions. [2024-11-23 22:38:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:38:46,100 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 [2024-11-23 22:38:46,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:38:46,152 INFO L225 Difference]: With dead ends: 9708 [2024-11-23 22:38:46,152 INFO L226 Difference]: Without dead ends: 9706 [2024-11-23 22:38:46,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:38:46,160 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2539 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:38:46,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2540 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:38:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2024-11-23 22:38:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 9706. [2024-11-23 22:38:46,629 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) [2024-11-23 22:38:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9706 states to 9706 states and 13629 transitions. [2024-11-23 22:38:46,675 INFO L78 Accepts]: Start accepts. Automaton has 9706 states and 13629 transitions. Word has length 307 [2024-11-23 22:38:46,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:38:46,676 INFO L471 AbstractCegarLoop]: Abstraction has 9706 states and 13629 transitions. [2024-11-23 22:38:46,677 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) [2024-11-23 22:38:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 9706 states and 13629 transitions. [2024-11-23 22:38:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-23 22:38:46,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:38:46,691 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] [2024-11-23 22:38:46,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:38:46,691 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:38:46,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:38:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash -148733113, now seen corresponding path program 1 times [2024-11-23 22:38:46,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:38:46,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015693720] [2024-11-23 22:38:46,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:38:46,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:39:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:39:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1833 trivial. 0 not checked. [2024-11-23 22:39:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:39:12,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015693720] [2024-11-23 22:39:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015693720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:39:12,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:39:12,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:39:12,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6429254] [2024-11-23 22:39:12,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:39:12,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:39:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:39:12,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:39:12,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:39:12,919 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) [2024-11-23 22:39:13,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:39:13,842 INFO L93 Difference]: Finished difference Result 9712 states and 13634 transitions. [2024-11-23 22:39:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:39:13,842 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 [2024-11-23 22:39:13,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:39:13,894 INFO L225 Difference]: With dead ends: 9712 [2024-11-23 22:39:13,894 INFO L226 Difference]: Without dead ends: 9710 [2024-11-23 22:39:13,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:39:13,903 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2538 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:39:13,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2539 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:39:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9710 states. [2024-11-23 22:39:14,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9710 to 9710. [2024-11-23 22:39:14,384 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) [2024-11-23 22:39:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9710 states to 9710 states and 13632 transitions. [2024-11-23 22:39:14,425 INFO L78 Accepts]: Start accepts. Automaton has 9710 states and 13632 transitions. Word has length 312 [2024-11-23 22:39:14,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:39:14,426 INFO L471 AbstractCegarLoop]: Abstraction has 9710 states and 13632 transitions. [2024-11-23 22:39:14,426 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) [2024-11-23 22:39:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 9710 states and 13632 transitions. [2024-11-23 22:39:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-23 22:39:14,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:39:14,440 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] [2024-11-23 22:39:14,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:39:14,441 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:39:14,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:39:14,442 INFO L85 PathProgramCache]: Analyzing trace with hash 63302223, now seen corresponding path program 1 times [2024-11-23 22:39:14,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:39:14,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511186654] [2024-11-23 22:39:14,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:39:14,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:39:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:39:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1845 trivial. 0 not checked. [2024-11-23 22:39:43,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:39:43,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511186654] [2024-11-23 22:39:43,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511186654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:39:43,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:39:43,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:39:43,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452201106] [2024-11-23 22:39:43,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:39:43,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:39:43,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:39:43,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:39:43,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:39:43,059 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) [2024-11-23 22:39:44,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:39:44,338 INFO L93 Difference]: Finished difference Result 9894 states and 13822 transitions. [2024-11-23 22:39:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:39:44,338 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 [2024-11-23 22:39:44,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:39:44,402 INFO L225 Difference]: With dead ends: 9894 [2024-11-23 22:39:44,402 INFO L226 Difference]: Without dead ends: 9892 [2024-11-23 22:39:44,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:39:44,412 INFO L435 NwaCegarLoop]: 2615 mSDtfsCounter, 2421 mSDsluCounter, 5390 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 22:39:44,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2422 Valid, 8005 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 22:39:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9892 states. [2024-11-23 22:39:45,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9892 to 9892. [2024-11-23 22:39:45,049 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) [2024-11-23 22:39:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 9892 states and 13820 transitions. [2024-11-23 22:39:45,102 INFO L78 Accepts]: Start accepts. Automaton has 9892 states and 13820 transitions. Word has length 317 [2024-11-23 22:39:45,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:39:45,103 INFO L471 AbstractCegarLoop]: Abstraction has 9892 states and 13820 transitions. [2024-11-23 22:39:45,104 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) [2024-11-23 22:39:45,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9892 states and 13820 transitions. [2024-11-23 22:39:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-23 22:39:45,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:39:45,124 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] [2024-11-23 22:39:45,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:39:45,124 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:39:45,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:39:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash 425308621, now seen corresponding path program 1 times [2024-11-23 22:39:45,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:39:45,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820445805] [2024-11-23 22:39:45,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:39:45,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:40:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:40:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1880 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2024-11-23 22:40:14,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:40:14,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820445805] [2024-11-23 22:40:14,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820445805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:40:14,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:40:14,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:40:14,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124004309] [2024-11-23 22:40:14,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:40:14,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:40:14,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:40:14,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:40:14,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:40:14,280 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) [2024-11-23 22:40:18,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:20,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:40:20,088 INFO L93 Difference]: Finished difference Result 23289 states and 32539 transitions. [2024-11-23 22:40:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:40:20,091 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 [2024-11-23 22:40:20,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:40:20,176 INFO L225 Difference]: With dead ends: 23289 [2024-11-23 22:40:20,176 INFO L226 Difference]: Without dead ends: 16449 [2024-11-23 22:40:20,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:40:20,208 INFO L435 NwaCegarLoop]: 5068 mSDtfsCounter, 2459 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:40:20,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2459 Valid, 7654 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 22:40:20,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16449 states. [2024-11-23 22:40:21,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16449 to 16411. [2024-11-23 22:40:21,030 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) [2024-11-23 22:40:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16411 states to 16411 states and 22929 transitions. [2024-11-23 22:40:21,107 INFO L78 Accepts]: Start accepts. Automaton has 16411 states and 22929 transitions. Word has length 331 [2024-11-23 22:40:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:40:21,108 INFO L471 AbstractCegarLoop]: Abstraction has 16411 states and 22929 transitions. [2024-11-23 22:40:21,108 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) [2024-11-23 22:40:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16411 states and 22929 transitions. [2024-11-23 22:40:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-23 22:40:21,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:21,126 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] [2024-11-23 22:40:21,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:40:21,126 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:40:21,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:21,131 INFO L85 PathProgramCache]: Analyzing trace with hash 2069901117, now seen corresponding path program 1 times [2024-11-23 22:40:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:40:21,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44654101] [2024-11-23 22:40:21,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:21,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:40:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:40:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2024-11-23 22:40:44,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:40:44,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44654101] [2024-11-23 22:40:44,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44654101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:40:44,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:40:44,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:40:44,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953295296] [2024-11-23 22:40:44,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:40:44,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:40:44,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:40:44,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:40:44,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:40:44,925 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) [2024-11-23 22:40:49,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:40:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:40:50,771 INFO L93 Difference]: Finished difference Result 36289 states and 50714 transitions. [2024-11-23 22:40:50,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:40:50,771 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 [2024-11-23 22:40:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:40:50,897 INFO L225 Difference]: With dead ends: 36289 [2024-11-23 22:40:50,897 INFO L226 Difference]: Without dead ends: 22930 [2024-11-23 22:40:50,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:40:50,945 INFO L435 NwaCegarLoop]: 5049 mSDtfsCounter, 2439 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 22:40:50,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 7633 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 22:40:50,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2024-11-23 22:40:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22926. [2024-11-23 22:40:52,111 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) [2024-11-23 22:40:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 32034 transitions. [2024-11-23 22:40:52,215 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 32034 transitions. Word has length 332 [2024-11-23 22:40:52,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:40:52,216 INFO L471 AbstractCegarLoop]: Abstraction has 22926 states and 32034 transitions. [2024-11-23 22:40:52,216 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) [2024-11-23 22:40:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 32034 transitions. [2024-11-23 22:40:52,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-23 22:40:52,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:40:52,229 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] [2024-11-23 22:40:52,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 22:40:52,229 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:40:52,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:40:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash 904839175, now seen corresponding path program 1 times [2024-11-23 22:40:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:40:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678985693] [2024-11-23 22:40:52,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:40:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2024-11-23 22:41:20,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:20,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678985693] [2024-11-23 22:41:20,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678985693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:20,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:20,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:41:20,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964994685] [2024-11-23 22:41:20,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:20,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:41:20,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:20,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:41:20,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:20,380 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) [2024-11-23 22:41:21,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:21,641 INFO L93 Difference]: Finished difference Result 22932 states and 32039 transitions. [2024-11-23 22:41:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:41:21,641 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 [2024-11-23 22:41:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:21,783 INFO L225 Difference]: With dead ends: 22932 [2024-11-23 22:41:21,784 INFO L226 Difference]: Without dead ends: 22930 [2024-11-23 22:41:21,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:41:21,802 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2536 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:21,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:41:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2024-11-23 22:41:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22930. [2024-11-23 22:41:23,050 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) [2024-11-23 22:41:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 32037 transitions. [2024-11-23 22:41:23,148 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 32037 transitions. Word has length 322 [2024-11-23 22:41:23,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:23,149 INFO L471 AbstractCegarLoop]: Abstraction has 22930 states and 32037 transitions. [2024-11-23 22:41:23,149 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) [2024-11-23 22:41:23,149 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 32037 transitions. [2024-11-23 22:41:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-23 22:41:23,161 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:23,161 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] [2024-11-23 22:41:23,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 22:41:23,162 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:41:23,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:23,162 INFO L85 PathProgramCache]: Analyzing trace with hash -820259569, now seen corresponding path program 1 times [2024-11-23 22:41:23,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:23,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134812896] [2024-11-23 22:41:23,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:23,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:41:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:41:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2024-11-23 22:41:49,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:41:49,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134812896] [2024-11-23 22:41:49,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134812896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:41:49,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:41:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:41:49,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550197125] [2024-11-23 22:41:49,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:41:49,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:41:49,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:41:49,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:41:49,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:41:49,469 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) [2024-11-23 22:41:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:41:50,605 INFO L93 Difference]: Finished difference Result 22936 states and 32042 transitions. [2024-11-23 22:41:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:41:50,605 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 [2024-11-23 22:41:50,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:41:50,722 INFO L225 Difference]: With dead ends: 22936 [2024-11-23 22:41:50,723 INFO L226 Difference]: Without dead ends: 22932 [2024-11-23 22:41:50,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:41:50,739 INFO L435 NwaCegarLoop]: 2617 mSDtfsCounter, 2535 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 22:41:50,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 7837 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 22:41:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22932 states. [2024-11-23 22:41:51,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22932 to 22932. [2024-11-23 22:41:51,983 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) [2024-11-23 22:41:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22932 states to 22932 states and 32038 transitions. [2024-11-23 22:41:52,076 INFO L78 Accepts]: Start accepts. Automaton has 22932 states and 32038 transitions. Word has length 327 [2024-11-23 22:41:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:41:52,077 INFO L471 AbstractCegarLoop]: Abstraction has 22932 states and 32038 transitions. [2024-11-23 22:41:52,077 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) [2024-11-23 22:41:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 22932 states and 32038 transitions. [2024-11-23 22:41:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-23 22:41:52,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:41:52,090 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] [2024-11-23 22:41:52,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 22:41:52,090 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:41:52,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:41:52,091 INFO L85 PathProgramCache]: Analyzing trace with hash -845693753, now seen corresponding path program 1 times [2024-11-23 22:41:52,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:41:52,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688455574] [2024-11-23 22:41:52,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:41:52,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2024-11-23 22:42:19,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:19,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688455574] [2024-11-23 22:42:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688455574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:19,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:19,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:42:19,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499875035] [2024-11-23 22:42:19,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:19,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:42:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:19,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:42:19,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:42:19,387 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) [2024-11-23 22:42:20,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:20,491 INFO L93 Difference]: Finished difference Result 22932 states and 32038 transitions. [2024-11-23 22:42:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:42:20,491 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 [2024-11-23 22:42:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:20,618 INFO L225 Difference]: With dead ends: 22932 [2024-11-23 22:42:20,618 INFO L226 Difference]: Without dead ends: 22789 [2024-11-23 22:42:20,635 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 [2024-11-23 22:42:20,638 INFO L435 NwaCegarLoop]: 2615 mSDtfsCounter, 2531 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:20,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 7833 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 22:42:20,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22789 states. [2024-11-23 22:42:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22789 to 22789. [2024-11-23 22:42:22,789 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) [2024-11-23 22:42:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22789 states to 22789 states and 31860 transitions. [2024-11-23 22:42:22,862 INFO L78 Accepts]: Start accepts. Automaton has 22789 states and 31860 transitions. Word has length 332 [2024-11-23 22:42:22,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:22,864 INFO L471 AbstractCegarLoop]: Abstraction has 22789 states and 31860 transitions. [2024-11-23 22:42:22,864 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) [2024-11-23 22:42:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 22789 states and 31860 transitions. [2024-11-23 22:42:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-23 22:42:22,893 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:22,894 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] [2024-11-23 22:42:22,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 22:42:22,894 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)] === [2024-11-23 22:42:22,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:22,895 INFO L85 PathProgramCache]: Analyzing trace with hash 259250386, now seen corresponding path program 1 times [2024-11-23 22:42:22,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:22,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521649267] [2024-11-23 22:42:22,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-11-23 22:42:49,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:49,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521649267] [2024-11-23 22:42:49,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521649267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:49,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:49,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:49,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117337353] [2024-11-23 22:42:49,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:49,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:42:49,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:49,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:42:49,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:49,183 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) [2024-11-23 22:42:53,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:42:55,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:42:55,138 INFO L93 Difference]: Finished difference Result 49025 states and 68528 transitions. [2024-11-23 22:42:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:42:55,138 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 [2024-11-23 22:42:55,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:42:55,274 INFO L225 Difference]: With dead ends: 49025 [2024-11-23 22:42:55,274 INFO L226 Difference]: Without dead ends: 29276 [2024-11-23 22:42:55,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:55,326 INFO L435 NwaCegarLoop]: 5003 mSDtfsCounter, 2428 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 22:42:55,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2428 Valid, 7548 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 22:42:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29276 states. [2024-11-23 22:42:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29276 to 22789. [2024-11-23 22:42:56,515 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) [2024-11-23 22:42:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22789 states to 22789 states and 31860 transitions. [2024-11-23 22:42:56,588 INFO L78 Accepts]: Start accepts. Automaton has 22789 states and 31860 transitions. Word has length 363 [2024-11-23 22:42:56,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:42:56,588 INFO L471 AbstractCegarLoop]: Abstraction has 22789 states and 31860 transitions. [2024-11-23 22:42:56,588 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) [2024-11-23 22:42:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 22789 states and 31860 transitions. [2024-11-23 22:42:56,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-23 22:42:56,606 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:42:56,606 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] [2024-11-23 22:42:56,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 22:42:56,606 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)] === [2024-11-23 22:42:56,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:56,607 INFO L85 PathProgramCache]: Analyzing trace with hash -956903340, now seen corresponding path program 1 times [2024-11-23 22:42:56,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:56,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455498880] [2024-11-23 22:42:56,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:56,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:43:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:43:21,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-11-23 22:43:21,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:43:21,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455498880] [2024-11-23 22:43:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455498880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:43:21,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:43:21,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:43:21,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353596480] [2024-11-23 22:43:21,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:43:21,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:43:21,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:43:21,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:43:21,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:43:21,727 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) [2024-11-23 22:43:25,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:43:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:43:27,696 INFO L93 Difference]: Finished difference Result 49041 states and 68560 transitions. [2024-11-23 22:43:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:43:27,697 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 [2024-11-23 22:43:27,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:43:27,834 INFO L225 Difference]: With dead ends: 49041 [2024-11-23 22:43:27,835 INFO L226 Difference]: Without dead ends: 29304 [2024-11-23 22:43:27,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:43:27,903 INFO L435 NwaCegarLoop]: 5002 mSDtfsCounter, 2434 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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 [2024-11-23 22:43:27,904 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] [2024-11-23 22:43:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29304 states. [2024-11-23 22:43:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29304 to 29300. [2024-11-23 22:43:29,406 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) [2024-11-23 22:43:29,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29300 states to 29300 states and 40961 transitions. [2024-11-23 22:43:29,505 INFO L78 Accepts]: Start accepts. Automaton has 29300 states and 40961 transitions. Word has length 363 [2024-11-23 22:43:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:43:29,505 INFO L471 AbstractCegarLoop]: Abstraction has 29300 states and 40961 transitions. [2024-11-23 22:43:29,505 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) [2024-11-23 22:43:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 29300 states and 40961 transitions. [2024-11-23 22:43:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-23 22:43:29,525 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:43:29,525 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] [2024-11-23 22:43:29,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 22:43:29,525 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:43:29,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:43:29,526 INFO L85 PathProgramCache]: Analyzing trace with hash 632605752, now seen corresponding path program 1 times [2024-11-23 22:43:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:43:29,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850277865] [2024-11-23 22:43:29,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:43:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:44:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:44:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2215 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2024-11-23 22:44:00,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:44:00,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850277865] [2024-11-23 22:44:00,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850277865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:44:00,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:44:00,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:44:00,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681195658] [2024-11-23 22:44:00,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:44:00,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:44:00,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:44:00,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:44:00,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:44:00,879 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) [2024-11-23 22:44:05,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:44:07,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:44:07,756 INFO L93 Difference]: Finished difference Result 67870 states and 94881 transitions. [2024-11-23 22:44:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:44:07,757 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 [2024-11-23 22:44:07,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:44:07,942 INFO L225 Difference]: With dead ends: 67870 [2024-11-23 22:44:07,943 INFO L226 Difference]: Without dead ends: 41622 [2024-11-23 22:44:08,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:44:08,027 INFO L435 NwaCegarLoop]: 4797 mSDtfsCounter, 2241 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 22:44:08,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 7335 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 22:44:08,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41622 states. [2024-11-23 22:44:09,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41622 to 41614. [2024-11-23 22:44:09,995 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) [2024-11-23 22:44:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41614 states to 41614 states and 58161 transitions. [2024-11-23 22:44:10,141 INFO L78 Accepts]: Start accepts. Automaton has 41614 states and 58161 transitions. Word has length 385 [2024-11-23 22:44:10,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 22:44:10,142 INFO L471 AbstractCegarLoop]: Abstraction has 41614 states and 58161 transitions. [2024-11-23 22:44:10,142 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) [2024-11-23 22:44:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 41614 states and 58161 transitions. [2024-11-23 22:44:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2024-11-23 22:44:10,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 22:44:10,164 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] [2024-11-23 22:44:10,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 22:44:10,165 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 22:44:10,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:44:10,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1876631732, now seen corresponding path program 1 times [2024-11-23 22:44:10,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:44:10,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740768258] [2024-11-23 22:44:10,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:44:10,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:44:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:44:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2382 trivial. 0 not checked. [2024-11-23 22:44:41,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:44:41,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740768258] [2024-11-23 22:44:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740768258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:44:41,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:44:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:44:41,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917890547] [2024-11-23 22:44:41,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:44:41,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:44:41,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:44:41,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:44:41,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:44:41,746 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) [2024-11-23 22:44:45,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 22:44:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 22:44:51,693 INFO L93 Difference]: Finished difference Result 119660 states and 166884 transitions. [2024-11-23 22:44:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:44:51,693 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 [2024-11-23 22:44:51,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 22:44:51,986 INFO L225 Difference]: With dead ends: 119660 [2024-11-23 22:44:51,986 INFO L226 Difference]: Without dead ends: 78089 [2024-11-23 22:44:52,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:44:52,105 INFO L435 NwaCegarLoop]: 2859 mSDtfsCounter, 2196 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.5s IncrementalHoareTripleChecker+Time [2024-11-23 22:44:52,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2196 Valid, 5333 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-23 22:44:52,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78089 states.