./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_fs-nfs-blocklayout-blocklayoutdriver.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 06fab407387cbe871c420feb8f9ccb419aa13364b4ef5862125263e453d131d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:59:53,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:59:53,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:59:53,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:59:53,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:59:53,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:59:53,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:59:53,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:59:53,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:59:53,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:59:53,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:59:53,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:59:53,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:59:53,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:59:53,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:59:53,132 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:59:53,133 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:53,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:59:53,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:59:53,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:59:53,134 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:59:53,134 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_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06fab407387cbe871c420feb8f9ccb419aa13364b4ef5862125263e453d131d5 [2024-12-02 11:59:53,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:59:53,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:59:53,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:59:53,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:59:53,381 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:59:53,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2024-12-02 11:59:55,962 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/data/35d410828/edad1f9592a5428ba46d9b22711b7174/FLAGf700fb0f1 [2024-12-02 11:59:56,468 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:59:56,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2024-12-02 11:59:56,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/data/35d410828/edad1f9592a5428ba46d9b22711b7174/FLAGf700fb0f1 [2024-12-02 11:59:56,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/data/35d410828/edad1f9592a5428ba46d9b22711b7174 [2024-12-02 11:59:56,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:59:56,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:59:56,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:59:56,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:59:56,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:59:56,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:56" (1/1) ... [2024-12-02 11:59:56,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b289bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:56, skipping insertion in model container [2024-12-02 11:59:56,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:56" (1/1) ... [2024-12-02 11:59:56,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:00:00,269 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2024-12-02 12:00:00,273 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2024-12-02 12:00:00,273 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2024-12-02 12:00:00,273 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2024-12-02 12:00:00,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:00:00,316 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:00:00,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7804] [2024-12-02 12:00:00,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2024-12-02 12:00:00,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2024-12-02 12:00:00,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2024-12-02 12:00:00,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2024-12-02 12:00:00,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2024-12-02 12:00:00,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2024-12-02 12:00:00,465 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"); [7926-7927] [2024-12-02 12:00:00,465 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"); [7930-7931] [2024-12-02 12:00:00,466 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"); [7934-7935] [2024-12-02 12:00:00,466 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"); [7938-7939] [2024-12-02 12:00:00,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2024-12-02 12:00:00,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2024-12-02 12:00:00,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2024-12-02 12:00:00,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2024-12-02 12:00:00,467 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2024-12-02 12:00:00,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2024-12-02 12:00:00,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2024-12-02 12:00:00,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2024-12-02 12:00:00,468 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2024-12-02 12:00:00,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2024-12-02 12:00:00,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2024-12-02 12:00:00,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2024-12-02 12:00:00,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2024-12-02 12:00:00,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2024-12-02 12:00:00,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2024-12-02 12:00:00,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2024-12-02 12:00:00,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2024-12-02 12:00:00,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2024-12-02 12:00:00,483 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 *)"include/linux/highmem.h"), "i" (198), "i" (12UL)); [8592-8593] [2024-12-02 12:00:00,494 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8832-8833] [2024-12-02 12:00:00,494 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8842-8843] [2024-12-02 12:00:00,495 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 *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [8856-8857] [2024-12-02 12:00:00,528 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 *)"fs/nfs/blocklayout/blocklayout.c"), "i" (368), "i" (12UL)); [9564-9565] [2024-12-02 12:00:00,529 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 *)"fs/nfs/blocklayout/blocklayout.c"), "i" (372), "i" (12UL)); [9581-9582] [2024-12-02 12:00:00,547 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 *)"fs/nfs/blocklayout/blocklayout.c"), "i" (593), "i" (12UL)); [10000-10001] [2024-12-02 12:00:00,674 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 *)"fs/nfs/blocklayout/extents.c"), "i" (907), "i" (12UL)); [15609-15610] [2024-12-02 12:00:00,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [16016-16017] [2024-12-02 12:00:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [16023-16024] [2024-12-02 12:00:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [16030-16031] [2024-12-02 12:00:00,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [16037-16038] [2024-12-02 12:00:00,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2024-12-02 12:00:00,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2024-12-02 12:00:00,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2024-12-02 12:00:00,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2024-12-02 12:00:00,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2024-12-02 12:00:00,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2024-12-02 12:00:00,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2024-12-02 12:00:00,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2024-12-02 12:00:00,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2024-12-02 12:00:00,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2024-12-02 12:00:00,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2024-12-02 12:00:00,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2024-12-02 12:00:00,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2024-12-02 12:00:00,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2024-12-02 12:00:00,706 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16785-16786] [2024-12-02 12:00:00,707 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16795-16796] [2024-12-02 12:00:00,707 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 *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [16809-16810] [2024-12-02 12:00:00,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [16907-16908] [2024-12-02 12:00:00,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [16914-16915] [2024-12-02 12:00:00,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [16921-16922] [2024-12-02 12:00:00,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [16928-16929] [2024-12-02 12:00:00,748 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2024-12-02 12:00:00,748 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2024-12-02 12:00:00,748 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2024-12-02 12:00:00,749 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_bc7edf37-876b-4820-8576-b255854a8948/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2024-12-02 12:00:00,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:00:00,957 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:00:00,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00 WrapperNode [2024-12-02 12:00:00,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:00:00,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:00:00,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:00:00,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:00:00,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:01,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:01,196 INFO L138 Inliner]: procedures = 584, calls = 2609, calls flagged for inlining = 242, calls inlined = 221, statements flattened = 7989 [2024-12-02 12:00:01,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:00:01,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:00:01,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:00:01,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:00:01,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:01,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:01,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,076 INFO L175 MemorySlicer]: Split 801 memory accesses to 21 slices as follows [2, 2, 1, 2, 28, 4, 5, 3, 3, 7, 17, 6, 15, 636, 4, 5, 2, 6, 16, 27, 10]. 79 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [0, 0, 1, 2, 0, 4, 5, 0, 3, 7, 0, 0, 0, 6, 4, 5, 0, 6, 0, 0, 0]. The 217 writes are split as follows [1, 2, 0, 0, 28, 0, 0, 1, 0, 0, 8, 4, 6, 143, 0, 0, 1, 0, 3, 10, 10]. [2024-12-02 12:00:03,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:00:03,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:00:03,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:00:03,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:00:03,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (1/1) ... [2024-12-02 12:00:03,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:00:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:00:03,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:00:03,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc7edf37-876b-4820-8576-b255854a8948/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:00:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 12:00:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-12-02 12:00:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2024-12-02 12:00:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2024-12-02 12:00:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 12:00:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 12:00:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-12-02 12:00:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 12:00:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-12-02 12:00:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2024-12-02 12:00:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2024-12-02 12:00:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2024-12-02 12:00:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 12:00:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2024-12-02 12:00:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:00:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 12:00:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2024-12-02 12:00:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-12-02 12:00:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:00:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2024-12-02 12:00:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2024-12-02 12:00:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:00:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:00:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:00:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:00:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:00:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:00:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:00:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:00:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:00:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:00:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 12:00:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:00:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2024-12-02 12:00:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2024-12-02 12:00:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 12:00:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2024-12-02 12:00:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2024-12-02 12:00:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 12:00:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:00:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2024-12-02 12:00:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2024-12-02 12:00:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2024-12-02 12:00:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 12:00:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 12:00:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 12:00:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2024-12-02 12:00:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2024-12-02 12:00:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-12-02 12:00:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:00:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2024-12-02 12:00:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2024-12-02 12:00:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2024-12-02 12:00:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-12-02 12:00:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2024-12-02 12:00:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2024-12-02 12:00:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 12:00:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 12:00:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 12:00:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2024-12-02 12:00:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2024-12-02 12:00:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2024-12-02 12:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2024-12-02 12:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2024-12-02 12:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2024-12-02 12:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:00:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:00:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2024-12-02 12:00:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2024-12-02 12:00:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 12:00:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2024-12-02 12:00:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2024-12-02 12:00:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2024-12-02 12:00:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 12:00:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2024-12-02 12:00:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2024-12-02 12:00:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:00:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 12:00:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2024-12-02 12:00:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2024-12-02 12:00:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2024-12-02 12:00:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2024-12-02 12:00:04,542 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:00:04,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:00:11,022 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 12:00:11,676 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:00:17,854 INFO L? ?]: Removed 3586 outVars from TransFormulas that were not future-live. [2024-12-02 12:00:17,854 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:00:17,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:00:17,908 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-12-02 12:00:17,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:00:17 BoogieIcfgContainer [2024-12-02 12:00:17,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:00:17,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:00:17,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:00:17,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:00:17,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:59:56" (1/3) ... [2024-12-02 12:00:17,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6206e39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:00:17, skipping insertion in model container [2024-12-02 12:00:17,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:00:00" (2/3) ... [2024-12-02 12:00:17,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6206e39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:00:17, skipping insertion in model container [2024-12-02 12:00:17,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:00:17" (3/3) ... [2024-12-02 12:00:17,917 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2024-12-02 12:00:17,932 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:00:17,935 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i that has 217 procedures, 3875 locations, 1 initial locations, 63 loop locations, and 3 error locations. [2024-12-02 12:00:18,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:00:18,060 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;@46c3be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:00:18,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 12:00:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 3697 states, 2550 states have (on average 1.347843137254902) internal successors, (3437), 2606 states have internal predecessors, (3437), 970 states have call successors, (970), 177 states have call predecessors, (970), 176 states have return successors, (963), 948 states have call predecessors, (963), 963 states have call successors, (963) [2024-12-02 12:00:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-02 12:00:18,095 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:18,096 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:18,097 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:18,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:18,102 INFO L85 PathProgramCache]: Analyzing trace with hash -289810419, now seen corresponding path program 1 times [2024-12-02 12:00:18,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:18,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034029002] [2024-12-02 12:00:18,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:18,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 12:00:19,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:19,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034029002] [2024-12-02 12:00:19,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034029002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:19,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:19,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:19,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044512974] [2024-12-02 12:00:19,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:19,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:19,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:19,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:19,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:19,407 INFO L87 Difference]: Start difference. First operand has 3697 states, 2550 states have (on average 1.347843137254902) internal successors, (3437), 2606 states have internal predecessors, (3437), 970 states have call successors, (970), 177 states have call predecessors, (970), 176 states have return successors, (963), 948 states have call predecessors, (963), 963 states have call successors, (963) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:00:20,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:20,487 INFO L93 Difference]: Finished difference Result 10683 states and 15864 transitions. [2024-12-02 12:00:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:20,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 406 [2024-12-02 12:00:20,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:20,541 INFO L225 Difference]: With dead ends: 10683 [2024-12-02 12:00:20,542 INFO L226 Difference]: Without dead ends: 7048 [2024-12-02 12:00:20,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:20,571 INFO L435 NwaCegarLoop]: 5241 mSDtfsCounter, 4969 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4969 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:20,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4969 Valid, 10367 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:00:20,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7048 states. [2024-12-02 12:00:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7048 to 7044. [2024-12-02 12:00:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7044 states, 4884 states have (on average 1.328009828009828) internal successors, (6486), 4985 states have internal predecessors, (6486), 1814 states have call successors, (1814), 344 states have call predecessors, (1814), 343 states have return successors, (1810), 1780 states have call predecessors, (1810), 1810 states have call successors, (1810) [2024-12-02 12:00:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7044 states to 7044 states and 10110 transitions. [2024-12-02 12:00:21,173 INFO L78 Accepts]: Start accepts. Automaton has 7044 states and 10110 transitions. Word has length 406 [2024-12-02 12:00:21,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:21,176 INFO L471 AbstractCegarLoop]: Abstraction has 7044 states and 10110 transitions. [2024-12-02 12:00:21,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-12-02 12:00:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 7044 states and 10110 transitions. [2024-12-02 12:00:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-12-02 12:00:21,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:21,193 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:21,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:00:21,193 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:21,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:21,195 INFO L85 PathProgramCache]: Analyzing trace with hash 785800615, now seen corresponding path program 1 times [2024-12-02 12:00:21,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:21,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629695450] [2024-12-02 12:00:21,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 12:00:22,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:22,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629695450] [2024-12-02 12:00:22,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629695450] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:22,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97781073] [2024-12-02 12:00:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:22,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:22,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:22,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:22,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:22,071 INFO L87 Difference]: Start difference. First operand 7044 states and 10110 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 12:00:23,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:00:24,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:24,405 INFO L93 Difference]: Finished difference Result 17414 states and 24975 transitions. [2024-12-02 12:00:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:24,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 423 [2024-12-02 12:00:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:24,482 INFO L225 Difference]: With dead ends: 17414 [2024-12-02 12:00:24,482 INFO L226 Difference]: Without dead ends: 10443 [2024-12-02 12:00:24,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:24,520 INFO L435 NwaCegarLoop]: 5226 mSDtfsCounter, 4954 mSDsluCounter, 5146 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4954 SdHoareTripleChecker+Valid, 10372 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:24,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4954 Valid, 10372 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:00:24,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2024-12-02 12:00:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 10410. [2024-12-02 12:00:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10410 states, 7217 states have (on average 1.3272828044894) internal successors, (9579), 7367 states have internal predecessors, (9579), 2670 states have call successors, (2670), 521 states have call predecessors, (2670), 520 states have return successors, (2666), 2618 states have call predecessors, (2666), 2666 states have call successors, (2666) [2024-12-02 12:00:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10410 states to 10410 states and 14915 transitions. [2024-12-02 12:00:25,197 INFO L78 Accepts]: Start accepts. Automaton has 10410 states and 14915 transitions. Word has length 423 [2024-12-02 12:00:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:25,198 INFO L471 AbstractCegarLoop]: Abstraction has 10410 states and 14915 transitions. [2024-12-02 12:00:25,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 12:00:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 10410 states and 14915 transitions. [2024-12-02 12:00:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2024-12-02 12:00:25,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:25,208 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:25,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:00:25,208 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:25,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:25,209 INFO L85 PathProgramCache]: Analyzing trace with hash -947773833, now seen corresponding path program 1 times [2024-12-02 12:00:25,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:25,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261377693] [2024-12-02 12:00:25,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:25,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 12:00:25,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:25,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261377693] [2024-12-02 12:00:25,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261377693] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:25,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:25,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:25,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159054118] [2024-12-02 12:00:25,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:25,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:25,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:25,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:25,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:25,946 INFO L87 Difference]: Start difference. First operand 10410 states and 14915 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 12:00:27,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:00:27,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:27,755 INFO L93 Difference]: Finished difference Result 21836 states and 31143 transitions. [2024-12-02 12:00:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:27,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 424 [2024-12-02 12:00:27,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:27,837 INFO L225 Difference]: With dead ends: 21836 [2024-12-02 12:00:27,838 INFO L226 Difference]: Without dead ends: 11499 [2024-12-02 12:00:27,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:27,885 INFO L435 NwaCegarLoop]: 9427 mSDtfsCounter, 4932 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4932 SdHoareTripleChecker+Valid, 14574 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:27,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4932 Valid, 14574 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:00:27,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11499 states. [2024-12-02 12:00:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11499 to 11464. [2024-12-02 12:00:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11464 states, 7960 states have (on average 1.3187185929648242) internal successors, (10497), 8129 states have internal predecessors, (10497), 2889 states have call successors, (2889), 613 states have call predecessors, (2889), 612 states have return successors, (2885), 2826 states have call predecessors, (2885), 2885 states have call successors, (2885) [2024-12-02 12:00:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11464 states to 11464 states and 16271 transitions. [2024-12-02 12:00:28,524 INFO L78 Accepts]: Start accepts. Automaton has 11464 states and 16271 transitions. Word has length 424 [2024-12-02 12:00:28,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 11464 states and 16271 transitions. [2024-12-02 12:00:28,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 12:00:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11464 states and 16271 transitions. [2024-12-02 12:00:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-12-02 12:00:28,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:28,536 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 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] [2024-12-02 12:00:28,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:00:28,537 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:28,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:28,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2028929628, now seen corresponding path program 1 times [2024-12-02 12:00:28,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:28,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142864069] [2024-12-02 12:00:28,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:28,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 5390 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5376 trivial. 0 not checked. [2024-12-02 12:00:29,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:29,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142864069] [2024-12-02 12:00:29,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142864069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:29,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:29,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:29,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414152424] [2024-12-02 12:00:29,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:29,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:29,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:29,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:29,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:29,082 INFO L87 Difference]: Start difference. First operand 11464 states and 16271 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 12:00:30,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:00:31,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:31,320 INFO L93 Difference]: Finished difference Result 32890 states and 46860 transitions. [2024-12-02 12:00:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:31,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 462 [2024-12-02 12:00:31,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:31,472 INFO L225 Difference]: With dead ends: 32890 [2024-12-02 12:00:31,472 INFO L226 Difference]: Without dead ends: 21886 [2024-12-02 12:00:31,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:31,520 INFO L435 NwaCegarLoop]: 10089 mSDtfsCounter, 4883 mSDsluCounter, 5170 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4883 SdHoareTripleChecker+Valid, 15259 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:31,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4883 Valid, 15259 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 12:00:31,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21886 states. [2024-12-02 12:00:32,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21886 to 21882. [2024-12-02 12:00:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21882 states, 15222 states have (on average 1.3228879253711734) internal successors, (20137), 15536 states have internal predecessors, (20137), 5513 states have call successors, (5513), 1145 states have call predecessors, (5513), 1144 states have return successors, (5509), 5406 states have call predecessors, (5509), 5509 states have call successors, (5509) [2024-12-02 12:00:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21882 states to 21882 states and 31159 transitions. [2024-12-02 12:00:32,392 INFO L78 Accepts]: Start accepts. Automaton has 21882 states and 31159 transitions. Word has length 462 [2024-12-02 12:00:32,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:32,393 INFO L471 AbstractCegarLoop]: Abstraction has 21882 states and 31159 transitions. [2024-12-02 12:00:32,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-12-02 12:00:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 21882 states and 31159 transitions. [2024-12-02 12:00:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-12-02 12:00:32,397 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:32,397 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 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] [2024-12-02 12:00:32,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:00:32,397 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:32,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash -642726234, now seen corresponding path program 1 times [2024-12-02 12:00:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:32,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479578278] [2024-12-02 12:00:32,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:32,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5390 trivial. 0 not checked. [2024-12-02 12:00:33,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:33,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479578278] [2024-12-02 12:00:33,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479578278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:33,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:33,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210655396] [2024-12-02 12:00:33,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:33,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:33,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:33,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:33,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:33,083 INFO L87 Difference]: Start difference. First operand 21882 states and 31159 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 12:00:33,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:33,525 INFO L93 Difference]: Finished difference Result 21888 states and 31164 transitions. [2024-12-02 12:00:33,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:33,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 462 [2024-12-02 12:00:33,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:33,654 INFO L225 Difference]: With dead ends: 21888 [2024-12-02 12:00:33,654 INFO L226 Difference]: Without dead ends: 21886 [2024-12-02 12:00:33,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:33,662 INFO L435 NwaCegarLoop]: 5206 mSDtfsCounter, 5104 mSDsluCounter, 10393 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5105 SdHoareTripleChecker+Valid, 15599 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:33,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5105 Valid, 15599 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:33,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21886 states. [2024-12-02 12:00:34,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21886 to 21886. [2024-12-02 12:00:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21886 states, 15225 states have (on average 1.3228243021346469) internal successors, (20140), 15539 states have internal predecessors, (20140), 5513 states have call successors, (5513), 1146 states have call predecessors, (5513), 1145 states have return successors, (5509), 5406 states have call predecessors, (5509), 5509 states have call successors, (5509) [2024-12-02 12:00:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21886 states to 21886 states and 31162 transitions. [2024-12-02 12:00:34,839 INFO L78 Accepts]: Start accepts. Automaton has 21886 states and 31162 transitions. Word has length 462 [2024-12-02 12:00:34,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:34,841 INFO L471 AbstractCegarLoop]: Abstraction has 21886 states and 31162 transitions. [2024-12-02 12:00:34,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 12:00:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 21886 states and 31162 transitions. [2024-12-02 12:00:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-12-02 12:00:34,846 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:34,846 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:34,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:00:34,847 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:34,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:34,847 INFO L85 PathProgramCache]: Analyzing trace with hash -813266193, now seen corresponding path program 1 times [2024-12-02 12:00:34,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:34,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147217444] [2024-12-02 12:00:34,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:34,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5392 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5390 trivial. 0 not checked. [2024-12-02 12:00:35,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147217444] [2024-12-02 12:00:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147217444] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:35,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:35,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:35,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267516160] [2024-12-02 12:00:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:35,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:35,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:35,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:35,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:35,705 INFO L87 Difference]: Start difference. First operand 21886 states and 31162 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 12:00:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:36,346 INFO L93 Difference]: Finished difference Result 21892 states and 31167 transitions. [2024-12-02 12:00:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:36,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 467 [2024-12-02 12:00:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:36,430 INFO L225 Difference]: With dead ends: 21892 [2024-12-02 12:00:36,430 INFO L226 Difference]: Without dead ends: 21890 [2024-12-02 12:00:36,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:36,440 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5100 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:36,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21890 states. [2024-12-02 12:00:37,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21890 to 21890. [2024-12-02 12:00:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21890 states, 15228 states have (on average 1.3227607039663778) internal successors, (20143), 15542 states have internal predecessors, (20143), 5513 states have call successors, (5513), 1147 states have call predecessors, (5513), 1146 states have return successors, (5509), 5406 states have call predecessors, (5509), 5509 states have call successors, (5509) [2024-12-02 12:00:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21890 states to 21890 states and 31165 transitions. [2024-12-02 12:00:37,621 INFO L78 Accepts]: Start accepts. Automaton has 21890 states and 31165 transitions. Word has length 467 [2024-12-02 12:00:37,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:37,621 INFO L471 AbstractCegarLoop]: Abstraction has 21890 states and 31165 transitions. [2024-12-02 12:00:37,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 12:00:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 21890 states and 31165 transitions. [2024-12-02 12:00:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-12-02 12:00:37,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:37,628 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:00:37,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:00:37,628 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:37,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:37,629 INFO L85 PathProgramCache]: Analyzing trace with hash 693773318, now seen corresponding path program 1 times [2024-12-02 12:00:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:37,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609025776] [2024-12-02 12:00:37,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5394 trivial. 0 not checked. [2024-12-02 12:00:38,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:38,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609025776] [2024-12-02 12:00:38,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609025776] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:38,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:38,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486787335] [2024-12-02 12:00:38,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:38,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:38,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:38,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:38,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:38,364 INFO L87 Difference]: Start difference. First operand 21890 states and 31165 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 12:00:39,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:39,155 INFO L93 Difference]: Finished difference Result 21896 states and 31170 transitions. [2024-12-02 12:00:39,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:39,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 472 [2024-12-02 12:00:39,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:39,266 INFO L225 Difference]: With dead ends: 21896 [2024-12-02 12:00:39,266 INFO L226 Difference]: Without dead ends: 21894 [2024-12-02 12:00:39,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:39,282 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5099 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5100 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:39,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5100 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21894 states. [2024-12-02 12:00:40,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21894 to 21894. [2024-12-02 12:00:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21894 states, 15231 states have (on average 1.3226971308515527) internal successors, (20146), 15545 states have internal predecessors, (20146), 5513 states have call successors, (5513), 1148 states have call predecessors, (5513), 1147 states have return successors, (5509), 5406 states have call predecessors, (5509), 5509 states have call successors, (5509) [2024-12-02 12:00:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21894 states to 21894 states and 31168 transitions. [2024-12-02 12:00:40,336 INFO L78 Accepts]: Start accepts. Automaton has 21894 states and 31168 transitions. Word has length 472 [2024-12-02 12:00:40,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:40,337 INFO L471 AbstractCegarLoop]: Abstraction has 21894 states and 31168 transitions. [2024-12-02 12:00:40,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 12:00:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 21894 states and 31168 transitions. [2024-12-02 12:00:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-12-02 12:00:40,342 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:40,342 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 4, 3, 3, 3, 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] [2024-12-02 12:00:40,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:00:40,342 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:40,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:40,343 INFO L85 PathProgramCache]: Analyzing trace with hash 943372559, now seen corresponding path program 1 times [2024-12-02 12:00:40,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:40,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52693680] [2024-12-02 12:00:40,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:40,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5402 trivial. 0 not checked. [2024-12-02 12:00:40,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:40,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52693680] [2024-12-02 12:00:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52693680] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:40,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:40,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114543759] [2024-12-02 12:00:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:40,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:40,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:40,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:40,838 INFO L87 Difference]: Start difference. First operand 21894 states and 31168 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:41,846 INFO L93 Difference]: Finished difference Result 27376 states and 38783 transitions. [2024-12-02 12:00:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 477 [2024-12-02 12:00:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:41,989 INFO L225 Difference]: With dead ends: 27376 [2024-12-02 12:00:41,990 INFO L226 Difference]: Without dead ends: 27374 [2024-12-02 12:00:42,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:42,010 INFO L435 NwaCegarLoop]: 5905 mSDtfsCounter, 4816 mSDsluCounter, 13304 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4817 SdHoareTripleChecker+Valid, 19209 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:42,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4817 Valid, 19209 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:00:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27374 states. [2024-12-02 12:00:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27374 to 27358. [2024-12-02 12:00:43,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27358 states, 18846 states have (on average 1.3196964873182637) internal successors, (24871), 19328 states have internal predecessors, (24871), 6863 states have call successors, (6863), 1677 states have call predecessors, (6863), 1646 states have return successors, (7033), 6624 states have call predecessors, (7033), 6859 states have call successors, (7033) [2024-12-02 12:00:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27358 states to 27358 states and 38767 transitions. [2024-12-02 12:00:43,104 INFO L78 Accepts]: Start accepts. Automaton has 27358 states and 38767 transitions. Word has length 477 [2024-12-02 12:00:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:43,105 INFO L471 AbstractCegarLoop]: Abstraction has 27358 states and 38767 transitions. [2024-12-02 12:00:43,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 12:00:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 27358 states and 38767 transitions. [2024-12-02 12:00:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2024-12-02 12:00:43,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:43,110 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 5, 4, 4, 3, 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] [2024-12-02 12:00:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:00:43,110 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:43,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash -957875866, now seen corresponding path program 1 times [2024-12-02 12:00:43,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:43,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823578694] [2024-12-02 12:00:43,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5422 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5414 trivial. 0 not checked. [2024-12-02 12:00:43,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823578694] [2024-12-02 12:00:43,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823578694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:43,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:43,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:43,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122978585] [2024-12-02 12:00:43,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:43,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:43,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:43,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:43,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:43,795 INFO L87 Difference]: Start difference. First operand 27358 states and 38767 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-12-02 12:00:45,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:45,170 INFO L93 Difference]: Finished difference Result 27486 states and 38875 transitions. [2024-12-02 12:00:45,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:45,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 482 [2024-12-02 12:00:45,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:45,316 INFO L225 Difference]: With dead ends: 27486 [2024-12-02 12:00:45,316 INFO L226 Difference]: Without dead ends: 27484 [2024-12-02 12:00:45,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:45,337 INFO L435 NwaCegarLoop]: 5207 mSDtfsCounter, 5074 mSDsluCounter, 10423 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5075 SdHoareTripleChecker+Valid, 15630 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:45,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5075 Valid, 15630 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:00:45,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27484 states. [2024-12-02 12:00:46,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27484 to 27482. [2024-12-02 12:00:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27482 states, 18933 states have (on average 1.3185443405693762) internal successors, (24964), 19415 states have internal predecessors, (24964), 6869 states have call successors, (6869), 1708 states have call predecessors, (6869), 1677 states have return successors, (7039), 6630 states have call predecessors, (7039), 6865 states have call successors, (7039) [2024-12-02 12:00:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27482 states to 27482 states and 38872 transitions. [2024-12-02 12:00:46,580 INFO L78 Accepts]: Start accepts. Automaton has 27482 states and 38872 transitions. Word has length 482 [2024-12-02 12:00:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:46,581 INFO L471 AbstractCegarLoop]: Abstraction has 27482 states and 38872 transitions. [2024-12-02 12:00:46,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-12-02 12:00:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 27482 states and 38872 transitions. [2024-12-02 12:00:46,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2024-12-02 12:00:46,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:46,587 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 6, 5, 5, 3, 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] [2024-12-02 12:00:46,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:00:46,587 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:46,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:46,588 INFO L85 PathProgramCache]: Analyzing trace with hash 655716143, now seen corresponding path program 1 times [2024-12-02 12:00:46,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:46,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34458124] [2024-12-02 12:00:46,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:47,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5440 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5430 trivial. 0 not checked. [2024-12-02 12:00:47,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34458124] [2024-12-02 12:00:47,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34458124] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:47,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:47,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:47,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58207891] [2024-12-02 12:00:47,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:47,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:47,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:47,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:47,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:47,144 INFO L87 Difference]: Start difference. First operand 27482 states and 38872 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 12:00:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:47,962 INFO L93 Difference]: Finished difference Result 27488 states and 38877 transitions. [2024-12-02 12:00:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:47,962 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 487 [2024-12-02 12:00:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:48,032 INFO L225 Difference]: With dead ends: 27488 [2024-12-02 12:00:48,032 INFO L226 Difference]: Without dead ends: 27486 [2024-12-02 12:00:48,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:48,044 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5096 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:48,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5097 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27486 states. [2024-12-02 12:00:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27486 to 27486. [2024-12-02 12:00:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27486 states, 18936 states have (on average 1.3184938741022392) internal successors, (24967), 19418 states have internal predecessors, (24967), 6869 states have call successors, (6869), 1709 states have call predecessors, (6869), 1678 states have return successors, (7039), 6630 states have call predecessors, (7039), 6865 states have call successors, (7039) [2024-12-02 12:00:49,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27486 states to 27486 states and 38875 transitions. [2024-12-02 12:00:49,155 INFO L78 Accepts]: Start accepts. Automaton has 27486 states and 38875 transitions. Word has length 487 [2024-12-02 12:00:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:49,155 INFO L471 AbstractCegarLoop]: Abstraction has 27486 states and 38875 transitions. [2024-12-02 12:00:49,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2024-12-02 12:00:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 27486 states and 38875 transitions. [2024-12-02 12:00:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-12-02 12:00:49,160 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:49,160 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 7, 6, 6, 3, 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] [2024-12-02 12:00:49,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:00:49,160 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:49,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:49,161 INFO L85 PathProgramCache]: Analyzing trace with hash -651934010, now seen corresponding path program 1 times [2024-12-02 12:00:49,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:49,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389616252] [2024-12-02 12:00:49,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:49,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5450 trivial. 0 not checked. [2024-12-02 12:00:49,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:49,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389616252] [2024-12-02 12:00:49,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389616252] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:49,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:49,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:49,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908952335] [2024-12-02 12:00:49,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:49,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:49,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:49,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:49,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:49,796 INFO L87 Difference]: Start difference. First operand 27486 states and 38875 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 12:00:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:50,674 INFO L93 Difference]: Finished difference Result 27492 states and 38880 transitions. [2024-12-02 12:00:50,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 492 [2024-12-02 12:00:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:50,752 INFO L225 Difference]: With dead ends: 27492 [2024-12-02 12:00:50,752 INFO L226 Difference]: Without dead ends: 27490 [2024-12-02 12:00:50,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:50,767 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5095 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5096 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:50,767 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5096 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:50,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27490 states. [2024-12-02 12:00:51,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27490 to 27490. [2024-12-02 12:00:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27490 states, 18939 states have (on average 1.3184434236232114) internal successors, (24970), 19421 states have internal predecessors, (24970), 6869 states have call successors, (6869), 1710 states have call predecessors, (6869), 1679 states have return successors, (7039), 6630 states have call predecessors, (7039), 6865 states have call successors, (7039) [2024-12-02 12:00:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27490 states to 27490 states and 38878 transitions. [2024-12-02 12:00:52,073 INFO L78 Accepts]: Start accepts. Automaton has 27490 states and 38878 transitions. Word has length 492 [2024-12-02 12:00:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:52,073 INFO L471 AbstractCegarLoop]: Abstraction has 27490 states and 38878 transitions. [2024-12-02 12:00:52,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-12-02 12:00:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 27490 states and 38878 transitions. [2024-12-02 12:00:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2024-12-02 12:00:52,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:52,081 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 8, 7, 7, 4, 4, 4, 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] [2024-12-02 12:00:52,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:00:52,081 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:52,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1849924650, now seen corresponding path program 1 times [2024-12-02 12:00:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:52,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967893370] [2024-12-02 12:00:52,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:52,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5494 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5475 trivial. 0 not checked. [2024-12-02 12:00:52,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:52,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967893370] [2024-12-02 12:00:52,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967893370] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:52,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:52,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:00:52,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425846244] [2024-12-02 12:00:52,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:52,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:00:52,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:52,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:00:52,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:52,394 INFO L87 Difference]: Start difference. First operand 27490 states and 38878 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 12:00:53,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:00:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:55,049 INFO L93 Difference]: Finished difference Result 67788 states and 95992 transitions. [2024-12-02 12:00:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:00:55,050 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 523 [2024-12-02 12:00:55,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:55,176 INFO L225 Difference]: With dead ends: 67788 [2024-12-02 12:00:55,176 INFO L226 Difference]: Without dead ends: 40758 [2024-12-02 12:00:55,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:00:55,250 INFO L435 NwaCegarLoop]: 10090 mSDtfsCounter, 4930 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4930 SdHoareTripleChecker+Valid, 15262 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:55,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4930 Valid, 15262 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:00:55,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40758 states. [2024-12-02 12:00:56,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40758 to 40702. [2024-12-02 12:00:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40702 states, 28053 states have (on average 1.3196449577585285) internal successors, (37020), 28764 states have internal predecessors, (37020), 10171 states have call successors, (10171), 2521 states have call predecessors, (10171), 2475 states have return successors, (10428), 9822 states have call predecessors, (10428), 10167 states have call successors, (10428) [2024-12-02 12:00:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40702 states to 40702 states and 57619 transitions. [2024-12-02 12:00:57,174 INFO L78 Accepts]: Start accepts. Automaton has 40702 states and 57619 transitions. Word has length 523 [2024-12-02 12:00:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:00:57,174 INFO L471 AbstractCegarLoop]: Abstraction has 40702 states and 57619 transitions. [2024-12-02 12:00:57,174 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, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 12:00:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 40702 states and 57619 transitions. [2024-12-02 12:00:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2024-12-02 12:00:57,178 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:00:57,178 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 8, 7, 7, 3, 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] [2024-12-02 12:00:57,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:00:57,178 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:00:57,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:00:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash 596421967, now seen corresponding path program 1 times [2024-12-02 12:00:57,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:00:57,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794633215] [2024-12-02 12:00:57,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:00:57,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:00:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:00:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5488 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked. [2024-12-02 12:00:57,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:00:57,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794633215] [2024-12-02 12:00:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794633215] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:00:57,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:00:57,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:00:57,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030714358] [2024-12-02 12:00:57,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:00:57,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:00:57,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:00:57,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:00:57,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:00:57,619 INFO L87 Difference]: Start difference. First operand 40702 states and 57619 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 12:00:59,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:00:59,561 INFO L93 Difference]: Finished difference Result 41205 states and 58003 transitions. [2024-12-02 12:00:59,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:00:59,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 497 [2024-12-02 12:00:59,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:00:59,695 INFO L225 Difference]: With dead ends: 41205 [2024-12-02 12:00:59,695 INFO L226 Difference]: Without dead ends: 41203 [2024-12-02 12:00:59,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:00:59,717 INFO L435 NwaCegarLoop]: 5214 mSDtfsCounter, 4860 mSDsluCounter, 10664 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4861 SdHoareTripleChecker+Valid, 15878 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:00:59,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4861 Valid, 15878 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:00:59,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41203 states. [2024-12-02 12:01:01,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41203 to 41201. [2024-12-02 12:01:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41201 states, 28398 states have (on average 1.3163955208113247) internal successors, (37383), 29109 states have internal predecessors, (37383), 10180 states have call successors, (10180), 2666 states have call predecessors, (10180), 2620 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41201 states to 41201 states and 58000 transitions. [2024-12-02 12:01:01,660 INFO L78 Accepts]: Start accepts. Automaton has 41201 states and 58000 transitions. Word has length 497 [2024-12-02 12:01:01,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:01,660 INFO L471 AbstractCegarLoop]: Abstraction has 41201 states and 58000 transitions. [2024-12-02 12:01:01,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 12:01:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 41201 states and 58000 transitions. [2024-12-02 12:01:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-12-02 12:01:01,664 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:01,665 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 9, 8, 8, 3, 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] [2024-12-02 12:01:01,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:01:01,665 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash 307825702, now seen corresponding path program 1 times [2024-12-02 12:01:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:01,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282352583] [2024-12-02 12:01:01,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5518 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5502 trivial. 0 not checked. [2024-12-02 12:01:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:02,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282352583] [2024-12-02 12:01:02,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282352583] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:02,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:02,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:02,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472791277] [2024-12-02 12:01:02,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:02,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:02,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:02,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:02,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:02,154 INFO L87 Difference]: Start difference. First operand 41201 states and 58000 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 12:01:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:03,557 INFO L93 Difference]: Finished difference Result 41207 states and 58005 transitions. [2024-12-02 12:01:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:03,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 502 [2024-12-02 12:01:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:03,808 INFO L225 Difference]: With dead ends: 41207 [2024-12-02 12:01:03,808 INFO L226 Difference]: Without dead ends: 41205 [2024-12-02 12:01:03,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:03,817 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5093 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5094 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:03,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5094 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41205 states. [2024-12-02 12:01:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41205 to 41205. [2024-12-02 12:01:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41205 states, 28401 states have (on average 1.316362099926059) internal successors, (37386), 29112 states have internal predecessors, (37386), 10180 states have call successors, (10180), 2667 states have call predecessors, (10180), 2621 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41205 states to 41205 states and 58003 transitions. [2024-12-02 12:01:06,014 INFO L78 Accepts]: Start accepts. Automaton has 41205 states and 58003 transitions. Word has length 502 [2024-12-02 12:01:06,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:06,015 INFO L471 AbstractCegarLoop]: Abstraction has 41205 states and 58003 transitions. [2024-12-02 12:01:06,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2024-12-02 12:01:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 41205 states and 58003 transitions. [2024-12-02 12:01:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-12-02 12:01:06,022 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:06,023 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 10, 9, 9, 3, 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] [2024-12-02 12:01:06,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:01:06,023 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:06,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1503032175, now seen corresponding path program 1 times [2024-12-02 12:01:06,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:06,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863122798] [2024-12-02 12:01:06,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5534 trivial. 0 not checked. [2024-12-02 12:01:06,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:06,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863122798] [2024-12-02 12:01:06,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863122798] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:06,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:06,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:06,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712378415] [2024-12-02 12:01:06,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:06,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:06,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:06,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:06,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:06,585 INFO L87 Difference]: Start difference. First operand 41205 states and 58003 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 12:01:08,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:08,469 INFO L93 Difference]: Finished difference Result 41211 states and 58008 transitions. [2024-12-02 12:01:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:08,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 507 [2024-12-02 12:01:08,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:08,583 INFO L225 Difference]: With dead ends: 41211 [2024-12-02 12:01:08,583 INFO L226 Difference]: Without dead ends: 41209 [2024-12-02 12:01:08,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:08,599 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5092 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5093 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:08,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5093 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41209 states. [2024-12-02 12:01:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41209 to 41209. [2024-12-02 12:01:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41209 states, 28404 states have (on average 1.3163286861005492) internal successors, (37389), 29115 states have internal predecessors, (37389), 10180 states have call successors, (10180), 2668 states have call predecessors, (10180), 2622 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:10,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41209 states to 41209 states and 58006 transitions. [2024-12-02 12:01:10,842 INFO L78 Accepts]: Start accepts. Automaton has 41209 states and 58006 transitions. Word has length 507 [2024-12-02 12:01:10,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:10,843 INFO L471 AbstractCegarLoop]: Abstraction has 41209 states and 58006 transitions. [2024-12-02 12:01:10,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-12-02 12:01:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41209 states and 58006 transitions. [2024-12-02 12:01:10,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2024-12-02 12:01:10,849 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:10,850 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 11, 10, 10, 3, 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] [2024-12-02 12:01:10,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:01:10,850 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:10,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:10,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1347438982, now seen corresponding path program 1 times [2024-12-02 12:01:10,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:10,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557698882] [2024-12-02 12:01:10,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5590 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5570 trivial. 0 not checked. [2024-12-02 12:01:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:11,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557698882] [2024-12-02 12:01:11,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557698882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:11,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:11,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413941084] [2024-12-02 12:01:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:11,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:11,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:11,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:11,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:11,274 INFO L87 Difference]: Start difference. First operand 41209 states and 58006 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 12:01:13,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:13,233 INFO L93 Difference]: Finished difference Result 41215 states and 58011 transitions. [2024-12-02 12:01:13,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:13,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 512 [2024-12-02 12:01:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:13,355 INFO L225 Difference]: With dead ends: 41215 [2024-12-02 12:01:13,355 INFO L226 Difference]: Without dead ends: 41213 [2024-12-02 12:01:13,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:13,374 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5091 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5092 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:13,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5092 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41213 states. [2024-12-02 12:01:15,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41213 to 41213. [2024-12-02 12:01:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41213 states, 28407 states have (on average 1.3162952793325589) internal successors, (37392), 29118 states have internal predecessors, (37392), 10180 states have call successors, (10180), 2669 states have call predecessors, (10180), 2623 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:15,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41213 states to 41213 states and 58009 transitions. [2024-12-02 12:01:15,644 INFO L78 Accepts]: Start accepts. Automaton has 41213 states and 58009 transitions. Word has length 512 [2024-12-02 12:01:15,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:15,645 INFO L471 AbstractCegarLoop]: Abstraction has 41213 states and 58009 transitions. [2024-12-02 12:01:15,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-12-02 12:01:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 41213 states and 58009 transitions. [2024-12-02 12:01:15,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2024-12-02 12:01:15,650 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:15,650 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 12, 11, 11, 3, 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] [2024-12-02 12:01:15,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:01:15,650 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:15,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:15,651 INFO L85 PathProgramCache]: Analyzing trace with hash -106380913, now seen corresponding path program 1 times [2024-12-02 12:01:15,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:15,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128366613] [2024-12-02 12:01:15,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5632 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2024-12-02 12:01:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:16,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128366613] [2024-12-02 12:01:16,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128366613] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:16,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:16,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:16,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599156682] [2024-12-02 12:01:16,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:16,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:16,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:16,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:16,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:16,073 INFO L87 Difference]: Start difference. First operand 41213 states and 58009 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 12:01:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:18,149 INFO L93 Difference]: Finished difference Result 41219 states and 58014 transitions. [2024-12-02 12:01:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:18,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 517 [2024-12-02 12:01:18,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:18,282 INFO L225 Difference]: With dead ends: 41219 [2024-12-02 12:01:18,282 INFO L226 Difference]: Without dead ends: 41217 [2024-12-02 12:01:18,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:18,303 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5090 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5091 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:18,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5091 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41217 states. [2024-12-02 12:01:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41217 to 41217. [2024-12-02 12:01:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41217 states, 28410 states have (on average 1.3162618796198522) internal successors, (37395), 29121 states have internal predecessors, (37395), 10180 states have call successors, (10180), 2670 states have call predecessors, (10180), 2624 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41217 states to 41217 states and 58012 transitions. [2024-12-02 12:01:20,869 INFO L78 Accepts]: Start accepts. Automaton has 41217 states and 58012 transitions. Word has length 517 [2024-12-02 12:01:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:20,869 INFO L471 AbstractCegarLoop]: Abstraction has 41217 states and 58012 transitions. [2024-12-02 12:01:20,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 12:01:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 41217 states and 58012 transitions. [2024-12-02 12:01:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2024-12-02 12:01:20,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:20,875 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 13, 12, 12, 3, 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] [2024-12-02 12:01:20,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:01:20,875 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:20,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:20,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1012137702, now seen corresponding path program 1 times [2024-12-02 12:01:20,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:20,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115550789] [2024-12-02 12:01:20,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:20,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5654 trivial. 0 not checked. [2024-12-02 12:01:21,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:21,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115550789] [2024-12-02 12:01:21,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115550789] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:21,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:21,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:21,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049425209] [2024-12-02 12:01:21,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:21,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:21,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:21,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:21,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:21,477 INFO L87 Difference]: Start difference. First operand 41217 states and 58012 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 12:01:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:23,458 INFO L93 Difference]: Finished difference Result 41223 states and 58017 transitions. [2024-12-02 12:01:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:23,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 522 [2024-12-02 12:01:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:23,557 INFO L225 Difference]: With dead ends: 41223 [2024-12-02 12:01:23,557 INFO L226 Difference]: Without dead ends: 41221 [2024-12-02 12:01:23,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:23,568 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5089 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5090 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:23,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5090 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41221 states. [2024-12-02 12:01:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41221 to 41221. [2024-12-02 12:01:26,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41221 states, 28413 states have (on average 1.3162284869601943) internal successors, (37398), 29124 states have internal predecessors, (37398), 10180 states have call successors, (10180), 2671 states have call predecessors, (10180), 2625 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41221 states to 41221 states and 58015 transitions. [2024-12-02 12:01:26,153 INFO L78 Accepts]: Start accepts. Automaton has 41221 states and 58015 transitions. Word has length 522 [2024-12-02 12:01:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:26,153 INFO L471 AbstractCegarLoop]: Abstraction has 41221 states and 58015 transitions. [2024-12-02 12:01:26,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2024-12-02 12:01:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 41221 states and 58015 transitions. [2024-12-02 12:01:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2024-12-02 12:01:26,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:26,159 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 14, 13, 13, 3, 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] [2024-12-02 12:01:26,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:01:26,159 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:26,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:26,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1732667473, now seen corresponding path program 1 times [2024-12-02 12:01:26,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:26,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162987527] [2024-12-02 12:01:26,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:26,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5728 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-12-02 12:01:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:26,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162987527] [2024-12-02 12:01:26,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162987527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:26,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:26,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023576267] [2024-12-02 12:01:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:26,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:26,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:26,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:26,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:26,620 INFO L87 Difference]: Start difference. First operand 41221 states and 58015 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-12-02 12:01:28,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:28,640 INFO L93 Difference]: Finished difference Result 41227 states and 58020 transitions. [2024-12-02 12:01:28,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:28,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 527 [2024-12-02 12:01:28,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:28,763 INFO L225 Difference]: With dead ends: 41227 [2024-12-02 12:01:28,763 INFO L226 Difference]: Without dead ends: 41225 [2024-12-02 12:01:28,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:28,780 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5088 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5089 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:28,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5089 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:28,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41225 states. [2024-12-02 12:01:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41225 to 41225. [2024-12-02 12:01:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41225 states, 28416 states have (on average 1.3161951013513513) internal successors, (37401), 29127 states have internal predecessors, (37401), 10180 states have call successors, (10180), 2672 states have call predecessors, (10180), 2626 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:31,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41225 states to 41225 states and 58018 transitions. [2024-12-02 12:01:31,394 INFO L78 Accepts]: Start accepts. Automaton has 41225 states and 58018 transitions. Word has length 527 [2024-12-02 12:01:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:31,394 INFO L471 AbstractCegarLoop]: Abstraction has 41225 states and 58018 transitions. [2024-12-02 12:01:31,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2024-12-02 12:01:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 41225 states and 58018 transitions. [2024-12-02 12:01:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2024-12-02 12:01:31,401 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:31,401 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 15, 14, 14, 3, 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] [2024-12-02 12:01:31,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:01:31,401 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:31,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:31,401 INFO L85 PathProgramCache]: Analyzing trace with hash -349295546, now seen corresponding path program 1 times [2024-12-02 12:01:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:31,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201470482] [2024-12-02 12:01:31,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:31,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 5782 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5754 trivial. 0 not checked. [2024-12-02 12:01:31,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:31,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201470482] [2024-12-02 12:01:31,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201470482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:31,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:31,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:31,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585105869] [2024-12-02 12:01:31,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:31,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:31,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:31,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:31,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:31,813 INFO L87 Difference]: Start difference. First operand 41225 states and 58018 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-12-02 12:01:33,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:33,910 INFO L93 Difference]: Finished difference Result 41231 states and 58023 transitions. [2024-12-02 12:01:33,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:33,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 532 [2024-12-02 12:01:33,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:34,043 INFO L225 Difference]: With dead ends: 41231 [2024-12-02 12:01:34,043 INFO L226 Difference]: Without dead ends: 41229 [2024-12-02 12:01:34,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:34,065 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5087 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5088 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:34,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5088 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:34,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41229 states. [2024-12-02 12:01:36,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41229 to 41229. [2024-12-02 12:01:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41229 states, 28419 states have (on average 1.3161617227910904) internal successors, (37404), 29130 states have internal predecessors, (37404), 10180 states have call successors, (10180), 2673 states have call predecessors, (10180), 2627 states have return successors, (10437), 9831 states have call predecessors, (10437), 10176 states have call successors, (10437) [2024-12-02 12:01:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41229 states to 41229 states and 58021 transitions. [2024-12-02 12:01:36,868 INFO L78 Accepts]: Start accepts. Automaton has 41229 states and 58021 transitions. Word has length 532 [2024-12-02 12:01:36,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:36,868 INFO L471 AbstractCegarLoop]: Abstraction has 41229 states and 58021 transitions. [2024-12-02 12:01:36,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-12-02 12:01:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 41229 states and 58021 transitions. [2024-12-02 12:01:36,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2024-12-02 12:01:36,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:36,876 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 34, 34, 34, 34, 34, 34, 16, 15, 15, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:01:36,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:01:36,876 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:36,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:36,876 INFO L85 PathProgramCache]: Analyzing trace with hash -475667101, now seen corresponding path program 1 times [2024-12-02 12:01:36,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:36,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861553253] [2024-12-02 12:01:36,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:36,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6108 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 6065 trivial. 0 not checked. [2024-12-02 12:01:37,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:37,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861553253] [2024-12-02 12:01:37,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861553253] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:37,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:37,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:01:37,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992619245] [2024-12-02 12:01:37,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:37,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:37,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:37,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:37,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:37,175 INFO L87 Difference]: Start difference. First operand 41229 states and 58021 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2024-12-02 12:01:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:41,349 INFO L93 Difference]: Finished difference Result 95371 states and 134327 transitions. [2024-12-02 12:01:41,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:01:41,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 592 [2024-12-02 12:01:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:41,513 INFO L225 Difference]: With dead ends: 95371 [2024-12-02 12:01:41,513 INFO L226 Difference]: Without dead ends: 54602 [2024-12-02 12:01:41,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:41,607 INFO L435 NwaCegarLoop]: 9771 mSDtfsCounter, 4888 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4888 SdHoareTripleChecker+Valid, 14942 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:41,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4888 Valid, 14942 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:01:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54602 states. [2024-12-02 12:01:45,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54602 to 54598. [2024-12-02 12:01:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54598 states, 37639 states have (on average 1.3168787693615664) internal successors, (49566), 38579 states have internal predecessors, (49566), 13485 states have call successors, (13485), 3532 states have call predecessors, (13485), 3471 states have return successors, (13829), 13026 states have call predecessors, (13829), 13481 states have call successors, (13829) [2024-12-02 12:01:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54598 states to 54598 states and 76880 transitions. [2024-12-02 12:01:45,424 INFO L78 Accepts]: Start accepts. Automaton has 54598 states and 76880 transitions. Word has length 592 [2024-12-02 12:01:45,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:45,425 INFO L471 AbstractCegarLoop]: Abstraction has 54598 states and 76880 transitions. [2024-12-02 12:01:45,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2024-12-02 12:01:45,425 INFO L276 IsEmpty]: Start isEmpty. Operand 54598 states and 76880 transitions. [2024-12-02 12:01:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2024-12-02 12:01:45,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:45,433 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 34, 34, 34, 34, 34, 34, 16, 15, 15, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:01:45,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:01:45,433 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:45,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:45,434 INFO L85 PathProgramCache]: Analyzing trace with hash 69205473, now seen corresponding path program 1 times [2024-12-02 12:01:45,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:45,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059798211] [2024-12-02 12:01:45,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:45,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6108 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6078 trivial. 0 not checked. [2024-12-02 12:01:45,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:45,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059798211] [2024-12-02 12:01:45,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059798211] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:45,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:45,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:01:45,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064748855] [2024-12-02 12:01:45,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:45,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:01:45,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:45,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:01:45,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:01:45,894 INFO L87 Difference]: Start difference. First operand 54598 states and 76880 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-12-02 12:01:48,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:01:48,846 INFO L93 Difference]: Finished difference Result 54604 states and 76885 transitions. [2024-12-02 12:01:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:01:48,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 592 [2024-12-02 12:01:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:01:49,022 INFO L225 Difference]: With dead ends: 54604 [2024-12-02 12:01:49,022 INFO L226 Difference]: Without dead ends: 54602 [2024-12-02 12:01:49,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:01:49,048 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5080 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:01:49,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:01:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54602 states. [2024-12-02 12:01:53,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54602 to 54602. [2024-12-02 12:01:53,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54602 states, 37642 states have (on average 1.3168535146910365) internal successors, (49569), 38582 states have internal predecessors, (49569), 13485 states have call successors, (13485), 3533 states have call predecessors, (13485), 3472 states have return successors, (13829), 13026 states have call predecessors, (13829), 13481 states have call successors, (13829) [2024-12-02 12:01:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54602 states to 54602 states and 76883 transitions. [2024-12-02 12:01:53,291 INFO L78 Accepts]: Start accepts. Automaton has 54602 states and 76883 transitions. Word has length 592 [2024-12-02 12:01:53,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:01:53,292 INFO L471 AbstractCegarLoop]: Abstraction has 54602 states and 76883 transitions. [2024-12-02 12:01:53,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (67), 3 states have call predecessors, (67), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2024-12-02 12:01:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 54602 states and 76883 transitions. [2024-12-02 12:01:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2024-12-02 12:01:53,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:01:53,299 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:01:53,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:01:53,299 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:01:53,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:01:53,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2079918436, now seen corresponding path program 1 times [2024-12-02 12:01:53,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:01:53,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104702278] [2024-12-02 12:01:53,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:01:53,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:01:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:01:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5746 trivial. 0 not checked. [2024-12-02 12:01:53,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:01:53,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104702278] [2024-12-02 12:01:53,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104702278] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:01:53,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:01:53,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:01:53,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164491833] [2024-12-02 12:01:53,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:01:53,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:01:53,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:01:53,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:01:53,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:01:53,672 INFO L87 Difference]: Start difference. First operand 54602 states and 76883 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:01:55,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:00,032 INFO L93 Difference]: Finished difference Result 122308 states and 172237 transitions. [2024-12-02 12:02:00,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:00,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 532 [2024-12-02 12:02:00,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:00,257 INFO L225 Difference]: With dead ends: 122308 [2024-12-02 12:02:00,257 INFO L226 Difference]: Without dead ends: 68166 [2024-12-02 12:02:00,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:00,398 INFO L435 NwaCegarLoop]: 9808 mSDtfsCounter, 4959 mSDsluCounter, 5170 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4959 SdHoareTripleChecker+Valid, 14978 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:00,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4959 Valid, 14978 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:02:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68166 states. [2024-12-02 12:02:05,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68166 to 68074. [2024-12-02 12:02:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68074 states, 46924 states have (on average 1.3171298269542238) internal successors, (61805), 48093 states have internal predecessors, (61805), 16814 states have call successors, (16814), 4409 states have call predecessors, (16814), 4333 states have return successors, (17245), 16245 states have call predecessors, (17245), 16810 states have call successors, (17245) [2024-12-02 12:02:05,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68074 states to 68074 states and 95864 transitions. [2024-12-02 12:02:05,517 INFO L78 Accepts]: Start accepts. Automaton has 68074 states and 95864 transitions. Word has length 532 [2024-12-02 12:02:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:05,518 INFO L471 AbstractCegarLoop]: Abstraction has 68074 states and 95864 transitions. [2024-12-02 12:02:05,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:02:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 68074 states and 95864 transitions. [2024-12-02 12:02:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2024-12-02 12:02:05,524 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:05,524 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 34, 34, 34, 34, 34, 34, 17, 16, 16, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:05,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:02:05,525 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:05,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:05,525 INFO L85 PathProgramCache]: Analyzing trace with hash 325321940, now seen corresponding path program 1 times [2024-12-02 12:02:05,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:05,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103523789] [2024-12-02 12:02:05,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:05,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6138 trivial. 0 not checked. [2024-12-02 12:02:05,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:05,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103523789] [2024-12-02 12:02:05,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103523789] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:05,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:05,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:02:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810888223] [2024-12-02 12:02:05,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:05,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:02:05,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:02:05,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:05,993 INFO L87 Difference]: Start difference. First operand 68074 states and 95864 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-12-02 12:02:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:10,583 INFO L93 Difference]: Finished difference Result 68080 states and 95869 transitions. [2024-12-02 12:02:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:02:10,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 597 [2024-12-02 12:02:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:10,795 INFO L225 Difference]: With dead ends: 68080 [2024-12-02 12:02:10,795 INFO L226 Difference]: Without dead ends: 68076 [2024-12-02 12:02:10,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:02:10,822 INFO L435 NwaCegarLoop]: 5209 mSDtfsCounter, 5079 mSDsluCounter, 10394 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 15603 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:10,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5080 Valid, 15603 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68076 states. [2024-12-02 12:02:16,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68076 to 68076. [2024-12-02 12:02:16,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68076 states, 46926 states have (on average 1.3170950006393045) internal successors, (61806), 48094 states have internal predecessors, (61806), 16814 states have call successors, (16814), 4410 states have call predecessors, (16814), 4333 states have return successors, (17245), 16245 states have call predecessors, (17245), 16810 states have call successors, (17245) [2024-12-02 12:02:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68076 states to 68076 states and 95865 transitions. [2024-12-02 12:02:16,418 INFO L78 Accepts]: Start accepts. Automaton has 68076 states and 95865 transitions. Word has length 597 [2024-12-02 12:02:16,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:16,418 INFO L471 AbstractCegarLoop]: Abstraction has 68076 states and 95865 transitions. [2024-12-02 12:02:16,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (68), 3 states have call predecessors, (68), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2024-12-02 12:02:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 68076 states and 95865 transitions. [2024-12-02 12:02:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2024-12-02 12:02:16,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:16,425 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 18, 17, 17, 3, 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] [2024-12-02 12:02:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:02:16,425 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1580129263, now seen corresponding path program 1 times [2024-12-02 12:02:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929261264] [2024-12-02 12:02:16,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:16,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:16,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5968 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5934 trivial. 0 not checked. [2024-12-02 12:02:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929261264] [2024-12-02 12:02:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929261264] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:16,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:16,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:02:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297465798] [2024-12-02 12:02:16,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:16,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:02:16,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:16,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:02:16,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:02:16,857 INFO L87 Difference]: Start difference. First operand 68076 states and 95865 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-12-02 12:02:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:22,818 INFO L93 Difference]: Finished difference Result 68076 states and 95865 transitions. [2024-12-02 12:02:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:02:22,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 547 [2024-12-02 12:02:22,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:23,049 INFO L225 Difference]: With dead ends: 68076 [2024-12-02 12:02:23,049 INFO L226 Difference]: Without dead ends: 66881 [2024-12-02 12:02:23,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:02:23,080 INFO L435 NwaCegarLoop]: 5207 mSDtfsCounter, 5081 mSDsluCounter, 10392 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 15599 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:23,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 15599 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:02:23,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66881 states. [2024-12-02 12:02:27,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66881 to 53934. [2024-12-02 12:02:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53934 states, 37185 states have (on average 1.318112141992739) internal successors, (49014), 38108 states have internal predecessors, (49014), 13342 states have call successors, (13342), 3465 states have call predecessors, (13342), 3405 states have return successors, (13690), 12896 states have call predecessors, (13690), 13342 states have call successors, (13690) [2024-12-02 12:02:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53934 states to 53934 states and 76046 transitions. [2024-12-02 12:02:27,314 INFO L78 Accepts]: Start accepts. Automaton has 53934 states and 76046 transitions. Word has length 547 [2024-12-02 12:02:27,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:27,315 INFO L471 AbstractCegarLoop]: Abstraction has 53934 states and 76046 transitions. [2024-12-02 12:02:27,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2024-12-02 12:02:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 53934 states and 76046 transitions. [2024-12-02 12:02:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-12-02 12:02:27,472 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:27,472 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 34, 34, 34, 34, 34, 34, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:27,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 12:02:27,472 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:27,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1599800221, now seen corresponding path program 1 times [2024-12-02 12:02:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623802802] [2024-12-02 12:02:27,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5957 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5942 trivial. 0 not checked. [2024-12-02 12:02:27,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:27,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623802802] [2024-12-02 12:02:27,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623802802] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:27,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:27,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:27,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874835083] [2024-12-02 12:02:27,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:27,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:27,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:27,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:27,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:27,967 INFO L87 Difference]: Start difference. First operand 53934 states and 76046 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:02:34,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:34,974 INFO L93 Difference]: Finished difference Result 126306 states and 178012 transitions. [2024-12-02 12:02:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:34,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 556 [2024-12-02 12:02:34,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:35,235 INFO L225 Difference]: With dead ends: 126306 [2024-12-02 12:02:35,235 INFO L226 Difference]: Without dead ends: 72832 [2024-12-02 12:02:35,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:35,357 INFO L435 NwaCegarLoop]: 5752 mSDtfsCounter, 4850 mSDsluCounter, 5063 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4850 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:35,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4850 Valid, 10815 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:02:35,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72832 states. [2024-12-02 12:02:41,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72832 to 72824. [2024-12-02 12:02:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72824 states, 50223 states have (on average 1.316926507775322) internal successors, (66140), 51466 states have internal predecessors, (66140), 17966 states have call successors, (17966), 4713 states have call predecessors, (17966), 4633 states have return successors, (18430), 17368 states have call predecessors, (18430), 17966 states have call successors, (18430) [2024-12-02 12:02:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72824 states to 72824 states and 102536 transitions. [2024-12-02 12:02:42,002 INFO L78 Accepts]: Start accepts. Automaton has 72824 states and 102536 transitions. Word has length 556 [2024-12-02 12:02:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:02:42,003 INFO L471 AbstractCegarLoop]: Abstraction has 72824 states and 102536 transitions. [2024-12-02 12:02:42,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:02:42,003 INFO L276 IsEmpty]: Start isEmpty. Operand 72824 states and 102536 transitions. [2024-12-02 12:02:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-12-02 12:02:42,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:02:42,010 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 34, 34, 34, 34, 34, 34, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:02:42,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:02:42,010 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:02:42,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:02:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1487324223, now seen corresponding path program 1 times [2024-12-02 12:02:42,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:02:42,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439341788] [2024-12-02 12:02:42,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:02:42,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:02:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:02:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5957 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5942 trivial. 0 not checked. [2024-12-02 12:02:42,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:02:42,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439341788] [2024-12-02 12:02:42,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439341788] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:02:42,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:02:42,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:02:42,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12928322] [2024-12-02 12:02:42,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:02:42,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:02:42,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:02:42,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:02:42,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:42,273 INFO L87 Difference]: Start difference. First operand 72824 states and 102536 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:02:43,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:02:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:02:50,744 INFO L93 Difference]: Finished difference Result 165805 states and 233225 transitions. [2024-12-02 12:02:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:02:50,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 555 [2024-12-02 12:02:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:02:51,155 INFO L225 Difference]: With dead ends: 165805 [2024-12-02 12:02:51,155 INFO L226 Difference]: Without dead ends: 93441 [2024-12-02 12:02:51,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:02:51,390 INFO L435 NwaCegarLoop]: 9846 mSDtfsCounter, 4871 mSDsluCounter, 5062 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 14908 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:02:51,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 14908 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:02:51,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93441 states. [2024-12-02 12:02:59,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93441 to 93435. [2024-12-02 12:02:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93435 states, 64496 states have (on average 1.314701686926321) internal successors, (84793), 66073 states have internal predecessors, (84793), 22936 states have call successors, (22936), 6101 states have call predecessors, (22936), 6001 states have return successors, (23516), 22188 states have call predecessors, (23516), 22936 states have call successors, (23516) [2024-12-02 12:02:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93435 states to 93435 states and 131245 transitions. [2024-12-02 12:03:00,004 INFO L78 Accepts]: Start accepts. Automaton has 93435 states and 131245 transitions. Word has length 555 [2024-12-02 12:03:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:00,005 INFO L471 AbstractCegarLoop]: Abstraction has 93435 states and 131245 transitions. [2024-12-02 12:03:00,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-12-02 12:03:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 93435 states and 131245 transitions. [2024-12-02 12:03:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2024-12-02 12:03:00,017 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:00,017 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 34, 34, 34, 34, 34, 34, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-12-02 12:03:00,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:03:00,017 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:00,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash 332930085, now seen corresponding path program 1 times [2024-12-02 12:03:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:00,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245729036] [2024-12-02 12:03:00,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:00,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6229 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2024-12-02 12:03:00,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:00,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245729036] [2024-12-02 12:03:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245729036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:00,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:00,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:00,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031691720] [2024-12-02 12:03:00,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:00,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:00,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:00,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:00,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:00,390 INFO L87 Difference]: Start difference. First operand 93435 states and 131245 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:03:02,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:11,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:11,554 INFO L93 Difference]: Finished difference Result 207003 states and 290583 transitions. [2024-12-02 12:03:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:11,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 576 [2024-12-02 12:03:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:11,959 INFO L225 Difference]: With dead ends: 207003 [2024-12-02 12:03:11,959 INFO L226 Difference]: Without dead ends: 113646 [2024-12-02 12:03:12,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:12,185 INFO L435 NwaCegarLoop]: 10003 mSDtfsCounter, 4869 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 15071 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:12,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 15071 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 12:03:12,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113646 states. [2024-12-02 12:03:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113646 to 113640. [2024-12-02 12:03:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113640 states, 78474 states have (on average 1.3135560822692867) internal successors, (103080), 80381 states have internal predecessors, (103080), 27828 states have call successors, (27828), 7456 states have call predecessors, (27828), 7336 states have return successors, (28524), 26930 states have call predecessors, (28524), 27828 states have call successors, (28524) [2024-12-02 12:03:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113640 states to 113640 states and 159432 transitions. [2024-12-02 12:03:22,164 INFO L78 Accepts]: Start accepts. Automaton has 113640 states and 159432 transitions. Word has length 576 [2024-12-02 12:03:22,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:22,164 INFO L471 AbstractCegarLoop]: Abstraction has 113640 states and 159432 transitions. [2024-12-02 12:03:22,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:03:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 113640 states and 159432 transitions. [2024-12-02 12:03:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2024-12-02 12:03:22,176 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:22,176 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 34, 34, 34, 34, 34, 34, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2024-12-02 12:03:22,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:03:22,176 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:22,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:22,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2033764509, now seen corresponding path program 1 times [2024-12-02 12:03:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:22,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856448558] [2024-12-02 12:03:22,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:22,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6229 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2024-12-02 12:03:22,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:22,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856448558] [2024-12-02 12:03:22,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856448558] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:22,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:22,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:22,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351829294] [2024-12-02 12:03:22,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:22,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:22,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:22,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:22,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:22,539 INFO L87 Difference]: Start difference. First operand 113640 states and 159432 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:03:23,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:03:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:03:35,728 INFO L93 Difference]: Finished difference Result 247473 states and 347075 transitions. [2024-12-02 12:03:35,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:03:35,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 576 [2024-12-02 12:03:35,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:03:36,223 INFO L225 Difference]: With dead ends: 247473 [2024-12-02 12:03:36,223 INFO L226 Difference]: Without dead ends: 134293 [2024-12-02 12:03:36,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:36,487 INFO L435 NwaCegarLoop]: 9959 mSDtfsCounter, 4871 mSDsluCounter, 5066 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4871 SdHoareTripleChecker+Valid, 15025 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:03:36,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4871 Valid, 15025 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:03:36,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134293 states. [2024-12-02 12:03:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134293 to 134287. [2024-12-02 12:03:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134287 states, 92783 states have (on average 1.3124063675457789) internal successors, (121769), 95024 states have internal predecessors, (121769), 32798 states have call successors, (32798), 8844 states have call predecessors, (32798), 8704 states have return successors, (33610), 31750 states have call predecessors, (33610), 32798 states have call successors, (33610) [2024-12-02 12:03:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134287 states to 134287 states and 188177 transitions. [2024-12-02 12:03:47,825 INFO L78 Accepts]: Start accepts. Automaton has 134287 states and 188177 transitions. Word has length 576 [2024-12-02 12:03:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:03:47,826 INFO L471 AbstractCegarLoop]: Abstraction has 134287 states and 188177 transitions. [2024-12-02 12:03:47,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:03:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 134287 states and 188177 transitions. [2024-12-02 12:03:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-12-02 12:03:47,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:03:47,835 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 34, 34, 34, 34, 34, 34, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:03:47,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 12:03:47,836 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:03:47,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:03:47,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1103402358, now seen corresponding path program 1 times [2024-12-02 12:03:47,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:03:47,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346343442] [2024-12-02 12:03:47,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:03:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:03:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:03:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6230 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2024-12-02 12:03:48,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:03:48,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346343442] [2024-12-02 12:03:48,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346343442] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:03:48,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:03:48,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:03:48,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365731560] [2024-12-02 12:03:48,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:03:48,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:03:48,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:03:48,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:03:48,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:03:48,121 INFO L87 Difference]: Start difference. First operand 134287 states and 188177 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:04:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:01,088 INFO L93 Difference]: Finished difference Result 291947 states and 408619 transitions. [2024-12-02 12:04:01,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:04:01,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 578 [2024-12-02 12:04:01,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:02,034 INFO L225 Difference]: With dead ends: 291947 [2024-12-02 12:04:02,034 INFO L226 Difference]: Without dead ends: 157360 [2024-12-02 12:04:02,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:04:02,341 INFO L435 NwaCegarLoop]: 9983 mSDtfsCounter, 4848 mSDsluCounter, 5068 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 15051 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:02,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 15051 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:04:02,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157360 states. [2024-12-02 12:04:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157360 to 157352. [2024-12-02 12:04:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157352 states, 108796 states have (on average 1.3103974410823926) internal successors, (142566), 111403 states have internal predecessors, (142566), 38268 states have call successors, (38268), 10446 states have call predecessors, (38268), 10286 states have return successors, (39196), 37062 states have call predecessors, (39196), 38268 states have call successors, (39196) [2024-12-02 12:04:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157352 states to 157352 states and 220030 transitions. [2024-12-02 12:04:15,581 INFO L78 Accepts]: Start accepts. Automaton has 157352 states and 220030 transitions. Word has length 578 [2024-12-02 12:04:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:15,582 INFO L471 AbstractCegarLoop]: Abstraction has 157352 states and 220030 transitions. [2024-12-02 12:04:15,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:04:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 157352 states and 220030 transitions. [2024-12-02 12:04:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2024-12-02 12:04:15,595 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:15,596 INFO L218 NwaCegarLoop]: trace histogram [43, 43, 34, 34, 34, 34, 34, 34, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:04:15,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:04:15,596 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:15,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:15,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1456490740, now seen corresponding path program 1 times [2024-12-02 12:04:15,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:15,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72758814] [2024-12-02 12:04:15,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6230 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2024-12-02 12:04:15,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:15,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72758814] [2024-12-02 12:04:15,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72758814] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:15,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:15,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:04:15,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292005530] [2024-12-02 12:04:15,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:16,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:04:16,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:16,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:04:16,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:04:16,001 INFO L87 Difference]: Start difference. First operand 157352 states and 220030 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:04:18,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:04:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:04:33,088 INFO L93 Difference]: Finished difference Result 338177 states and 472521 transitions. [2024-12-02 12:04:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:04:33,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 578 [2024-12-02 12:04:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:04:33,807 INFO L225 Difference]: With dead ends: 338177 [2024-12-02 12:04:33,807 INFO L226 Difference]: Without dead ends: 181285 [2024-12-02 12:04:34,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:04:34,215 INFO L435 NwaCegarLoop]: 9982 mSDtfsCounter, 4850 mSDsluCounter, 5066 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4850 SdHoareTripleChecker+Valid, 15048 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:04:34,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4850 Valid, 15048 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 12:04:34,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181285 states. [2024-12-02 12:04:49,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181285 to 181277. [2024-12-02 12:04:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181277 states, 125447 states have (on average 1.3084808724002965) internal successors, (164145), 128428 states have internal predecessors, (164145), 43894 states have call successors, (43894), 12114 states have call predecessors, (43894), 11934 states have return successors, (44938), 42530 states have call predecessors, (44938), 43894 states have call successors, (44938) [2024-12-02 12:04:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181277 states to 181277 states and 252977 transitions. [2024-12-02 12:04:50,796 INFO L78 Accepts]: Start accepts. Automaton has 181277 states and 252977 transitions. Word has length 578 [2024-12-02 12:04:50,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:04:50,797 INFO L471 AbstractCegarLoop]: Abstraction has 181277 states and 252977 transitions. [2024-12-02 12:04:50,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 12:04:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 181277 states and 252977 transitions. [2024-12-02 12:04:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2024-12-02 12:04:50,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:04:50,837 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:04:50,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:04:50,837 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:04:50,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:04:50,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1125326469, now seen corresponding path program 1 times [2024-12-02 12:04:50,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:04:50,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556224918] [2024-12-02 12:04:50,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:04:50,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:04:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:04:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6527 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6490 trivial. 0 not checked. [2024-12-02 12:04:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:04:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556224918] [2024-12-02 12:04:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556224918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:04:51,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:04:51,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:04:51,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916910603] [2024-12-02 12:04:51,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:04:51,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:04:51,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:04:51,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:04:51,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:04:51,572 INFO L87 Difference]: Start difference. First operand 181277 states and 252977 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:05:10,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:10,421 INFO L93 Difference]: Finished difference Result 386785 states and 539127 transitions. [2024-12-02 12:05:10,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:05:10,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 605 [2024-12-02 12:05:10,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:11,295 INFO L225 Difference]: With dead ends: 386785 [2024-12-02 12:05:11,295 INFO L226 Difference]: Without dead ends: 205968 [2024-12-02 12:05:11,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:05:11,763 INFO L435 NwaCegarLoop]: 9989 mSDtfsCounter, 4874 mSDsluCounter, 25008 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 34997 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:11,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 34997 Invalid, 114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:05:11,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205968 states. [2024-12-02 12:05:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205968 to 205922. [2024-12-02 12:05:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205922 states, 142562 states have (on average 1.3062106311639847) internal successors, (186216), 145913 states have internal predecessors, (186216), 49628 states have call successors, (49628), 13910 states have call predecessors, (49628), 13730 states have return successors, (50812), 48130 states have call predecessors, (50812), 49628 states have call successors, (50812) [2024-12-02 12:05:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205922 states to 205922 states and 286656 transitions. [2024-12-02 12:05:30,241 INFO L78 Accepts]: Start accepts. Automaton has 205922 states and 286656 transitions. Word has length 605 [2024-12-02 12:05:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:05:30,242 INFO L471 AbstractCegarLoop]: Abstraction has 205922 states and 286656 transitions. [2024-12-02 12:05:30,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:05:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 205922 states and 286656 transitions. [2024-12-02 12:05:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2024-12-02 12:05:30,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:05:30,262 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:05:30,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:05:30,262 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:05:30,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:05:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1453655366, now seen corresponding path program 1 times [2024-12-02 12:05:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:05:30,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121850723] [2024-12-02 12:05:30,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:05:30,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:05:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:05:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 6527 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6490 trivial. 0 not checked. [2024-12-02 12:05:30,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:05:30,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121850723] [2024-12-02 12:05:30,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121850723] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:05:30,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:05:30,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:05:30,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183785199] [2024-12-02 12:05:30,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:05:30,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:05:30,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:05:30,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:05:30,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:05:30,979 INFO L87 Difference]: Start difference. First operand 205922 states and 286656 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:05:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:05:51,973 INFO L93 Difference]: Finished difference Result 465427 states and 646395 transitions. [2024-12-02 12:05:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:05:51,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 606 [2024-12-02 12:05:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:05:53,420 INFO L225 Difference]: With dead ends: 465427 [2024-12-02 12:05:53,420 INFO L226 Difference]: Without dead ends: 259965 [2024-12-02 12:05:54,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:05:54,039 INFO L435 NwaCegarLoop]: 9473 mSDtfsCounter, 4873 mSDsluCounter, 23975 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4873 SdHoareTripleChecker+Valid, 33448 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:05:54,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4873 Valid, 33448 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:05:54,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259965 states. [2024-12-02 12:06:14,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259965 to 259911. [2024-12-02 12:06:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259911 states, 179277 states have (on average 1.3034521996686692) internal successors, (233679), 183718 states have internal predecessors, (233679), 62386 states have call successors, (62386), 18506 states have call predecessors, (62386), 18246 states have return successors, (64094), 60322 states have call predecessors, (64094), 62386 states have call successors, (64094) [2024-12-02 12:06:16,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259911 states to 259911 states and 360159 transitions. [2024-12-02 12:06:16,440 INFO L78 Accepts]: Start accepts. Automaton has 259911 states and 360159 transitions. Word has length 606 [2024-12-02 12:06:16,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:06:16,440 INFO L471 AbstractCegarLoop]: Abstraction has 259911 states and 360159 transitions. [2024-12-02 12:06:16,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 4 states have internal predecessors, (147), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:06:16,441 INFO L276 IsEmpty]: Start isEmpty. Operand 259911 states and 360159 transitions. [2024-12-02 12:06:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2024-12-02 12:06:16,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:06:16,464 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:06:16,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 12:06:16,464 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:06:16,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:06:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2071996706, now seen corresponding path program 1 times [2024-12-02 12:06:16,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:06:16,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516000111] [2024-12-02 12:06:16,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:06:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:06:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:06:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6527 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6490 trivial. 0 not checked. [2024-12-02 12:06:16,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:06:16,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516000111] [2024-12-02 12:06:16,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516000111] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:06:16,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:06:16,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:06:16,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277739626] [2024-12-02 12:06:16,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:06:16,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:06:16,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:06:16,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:06:16,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:06:16,873 INFO L87 Difference]: Start difference. First operand 259911 states and 360159 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:06:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:06:43,252 INFO L93 Difference]: Finished difference Result 572329 states and 792297 transitions. [2024-12-02 12:06:43,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:06:43,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 607 [2024-12-02 12:06:43,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:06:44,747 INFO L225 Difference]: With dead ends: 572329 [2024-12-02 12:06:44,747 INFO L226 Difference]: Without dead ends: 312878 [2024-12-02 12:06:45,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:06:45,425 INFO L435 NwaCegarLoop]: 9568 mSDtfsCounter, 4872 mSDsluCounter, 24166 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4872 SdHoareTripleChecker+Valid, 33734 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:06:45,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4872 Valid, 33734 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:06:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312878 states. [2024-12-02 12:07:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312878 to 312816. [2024-12-02 12:07:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312816 states, 215308 states have (on average 1.3024411540676613) internal successors, (280426), 220839 states have internal predecessors, (280426), 74936 states have call successors, (74936), 22910 states have call predecessors, (74936), 22570 states have return successors, (77168), 72306 states have call predecessors, (77168), 74936 states have call successors, (77168) [2024-12-02 12:07:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312816 states to 312816 states and 432530 transitions. [2024-12-02 12:07:13,599 INFO L78 Accepts]: Start accepts. Automaton has 312816 states and 432530 transitions. Word has length 607 [2024-12-02 12:07:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:07:13,600 INFO L471 AbstractCegarLoop]: Abstraction has 312816 states and 432530 transitions. [2024-12-02 12:07:13,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:07:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 312816 states and 432530 transitions. [2024-12-02 12:07:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-12-02 12:07:13,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:07:13,625 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:07:13,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 12:07:13,625 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:07:13,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:07:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1204178109, now seen corresponding path program 1 times [2024-12-02 12:07:13,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:07:13,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133441452] [2024-12-02 12:07:13,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:07:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:07:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:07:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6527 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6490 trivial. 0 not checked. [2024-12-02 12:07:14,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:07:14,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133441452] [2024-12-02 12:07:14,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133441452] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:07:14,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:07:14,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:07:14,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445619305] [2024-12-02 12:07:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:07:14,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:07:14,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:07:14,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:07:14,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:07:14,053 INFO L87 Difference]: Start difference. First operand 312816 states and 432530 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:07:45,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:07:45,992 INFO L93 Difference]: Finished difference Result 652583 states and 902127 transitions. [2024-12-02 12:07:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:07:45,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 608 [2024-12-02 12:07:45,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:07:47,839 INFO L225 Difference]: With dead ends: 652583 [2024-12-02 12:07:47,839 INFO L226 Difference]: Without dead ends: 340227 [2024-12-02 12:07:48,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:07:48,875 INFO L435 NwaCegarLoop]: 9750 mSDtfsCounter, 4873 mSDsluCounter, 24529 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4873 SdHoareTripleChecker+Valid, 34279 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:07:48,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4873 Valid, 34279 Invalid, 139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:07:49,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340227 states. [2024-12-02 12:08:16,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340227 to 340157. [2024-12-02 12:08:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340157 states, 234383 states have (on average 1.3012931825260365) internal successors, (305001), 240396 states have internal predecessors, (305001), 81294 states have call successors, (81294), 24818 states have call predecessors, (81294), 24478 states have return successors, (83666), 78514 states have call predecessors, (83666), 81294 states have call successors, (83666) [2024-12-02 12:08:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340157 states to 340157 states and 469961 transitions. [2024-12-02 12:08:19,329 INFO L78 Accepts]: Start accepts. Automaton has 340157 states and 469961 transitions. Word has length 608 [2024-12-02 12:08:19,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:08:19,330 INFO L471 AbstractCegarLoop]: Abstraction has 340157 states and 469961 transitions. [2024-12-02 12:08:19,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:08:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 340157 states and 469961 transitions. [2024-12-02 12:08:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2024-12-02 12:08:19,360 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:08:19,361 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:08:19,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 12:08:19,361 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:08:19,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:08:19,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1522607913, now seen corresponding path program 1 times [2024-12-02 12:08:19,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:08:19,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438668116] [2024-12-02 12:08:19,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:08:19,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:08:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:08:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 6530 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6491 trivial. 0 not checked. [2024-12-02 12:08:19,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:08:19,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438668116] [2024-12-02 12:08:19,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438668116] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:08:19,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:08:19,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:08:19,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35302010] [2024-12-02 12:08:19,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:08:19,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:08:19,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:08:19,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:08:19,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:08:19,738 INFO L87 Difference]: Start difference. First operand 340157 states and 469961 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:08:22,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:08:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:08:52,561 INFO L93 Difference]: Finished difference Result 727091 states and 1003013 transitions. [2024-12-02 12:08:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:08:52,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 608 [2024-12-02 12:08:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:08:54,695 INFO L225 Difference]: With dead ends: 727091 [2024-12-02 12:08:54,695 INFO L226 Difference]: Without dead ends: 387394 [2024-12-02 12:08:55,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:08:55,752 INFO L435 NwaCegarLoop]: 9885 mSDtfsCounter, 4853 mSDsluCounter, 24800 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4854 SdHoareTripleChecker+Valid, 34685 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:08:55,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4854 Valid, 34685 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-12-02 12:08:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387394 states. [2024-12-02 12:09:26,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387394 to 387386. [2024-12-02 12:09:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387386 states, 266918 states have (on average 1.2986909837478178) internal successors, (346644), 273761 states have internal predecessors, (346644), 92088 states have call successors, (92088), 28730 states have call predecessors, (92088), 28378 states have return successors, (94816), 88974 states have call predecessors, (94816), 92088 states have call successors, (94816) [2024-12-02 12:09:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387386 states to 387386 states and 533548 transitions. [2024-12-02 12:09:29,342 INFO L78 Accepts]: Start accepts. Automaton has 387386 states and 533548 transitions. Word has length 608 [2024-12-02 12:09:29,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:09:29,342 INFO L471 AbstractCegarLoop]: Abstraction has 387386 states and 533548 transitions. [2024-12-02 12:09:29,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:09:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 387386 states and 533548 transitions. [2024-12-02 12:09:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2024-12-02 12:09:29,369 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:09:29,370 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 34, 34, 34, 34, 34, 34, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 12:09:29,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 12:09:29,370 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 12:09:29,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:09:29,371 INFO L85 PathProgramCache]: Analyzing trace with hash -656302145, now seen corresponding path program 1 times [2024-12-02 12:09:29,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:09:29,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122582629] [2024-12-02 12:09:29,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:09:29,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:09:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:09:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6527 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 6490 trivial. 0 not checked. [2024-12-02 12:09:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:09:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122582629] [2024-12-02 12:09:30,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122582629] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:09:30,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:09:30,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:09:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482362010] [2024-12-02 12:09:30,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:09:30,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:09:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:09:30,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:09:30,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:09:30,057 INFO L87 Difference]: Start difference. First operand 387386 states and 533548 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 12:09:31,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []