./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-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 16:21:34,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 16:21:34,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 16:21:34,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 16:21:34,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 16:21:34,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 16:21:34,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 16:21:34,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 16:21:34,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 16:21:34,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 16:21:34,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 16:21:34,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 16:21:34,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 16:21:34,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 16:21:34,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 16:21:34,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 16:21:34,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 16:21:34,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 16:21:34,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 16:21:34,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 16:21:34,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 16:21:34,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 16:21:34,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 16:21:34,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 16:21:34,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 16:21:34,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 16:21:34,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 16:21:34,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 16:21:34,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 16:21:34,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:21:34,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 16:21:34,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 16:21:34,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 16:21:34,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 16:21:34,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 16:21:34,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 16:21:34,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 16:21:34,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 16:21:34,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 16:21:34,334 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 [2024-11-22 16:21:34,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 16:21:34,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 16:21:34,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 16:21:34,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 16:21:34,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 16:21:34,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-22 16:21:35,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 16:21:36,252 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 16:21:36,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-22 16:21:36,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4736e494/12154e51374c4ede9af74b6f78c17544/FLAG46f833a63 [2024-11-22 16:21:36,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4736e494/12154e51374c4ede9af74b6f78c17544 [2024-11-22 16:21:36,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 16:21:36,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 16:21:36,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 16:21:36,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 16:21:36,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 16:21:36,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:21:36" (1/1) ... [2024-11-22 16:21:36,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd39cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:36, skipping insertion in model container [2024-11-22 16:21:36,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:21:36" (1/1) ... [2024-11-22 16:21:36,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 16:21:39,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2024-11-22 16:21:39,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2024-11-22 16:21:39,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2024-11-22 16:21:39,664 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2024-11-22 16:21:39,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:21:39,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 16:21:39,829 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"); [7210] [2024-11-22 16:21:39,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7217] [2024-11-22 16:21:39,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2024-11-22 16:21:39,833 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7321-7322] [2024-11-22 16:21:39,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [7327-7329] [2024-11-22 16:21:39,836 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; addl %1,%0": "+m" (v->counter): "ir" (i)); [7369] [2024-11-22 16:21:39,836 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; incl %0": "+m" (v->counter)); [7376] [2024-11-22 16:21:39,836 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"); [7404-7405] [2024-11-22 16:21:39,837 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"); [7408-7409] [2024-11-22 16:21:39,837 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"); [7412-7413] [2024-11-22 16:21:39,837 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"); [7416-7417] [2024-11-22 16:21:39,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2024-11-22 16:21:39,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2024-11-22 16:21:39,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2024-11-22 16:21:39,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2024-11-22 16:21:39,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2024-11-22 16:21:39,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2024-11-22 16:21:39,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2024-11-22 16:21:39,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2024-11-22 16:21:39,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2024-11-22 16:21:39,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2024-11-22 16:21:39,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2024-11-22 16:21:39,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2024-11-22 16:21:39,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2024-11-22 16:21:39,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2024-11-22 16:21:39,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2024-11-22 16:21:39,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2024-11-22 16:21:39,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2024-11-22 16:21:39,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2024-11-22 16:21:39,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2024-11-22 16:21:39,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2024-11-22 16:21:39,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2024-11-22 16:21:39,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2024-11-22 16:21:39,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2024-11-22 16:21:39,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2024-11-22 16:21:39,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2024-11-22 16:21:39,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2024-11-22 16:21:39,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2024-11-22 16:21:39,864 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/nfs4filelayout.c"), "i" (84), "i" (12UL)); [8355-8356] [2024-11-22 16:21:40,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [12441-12442] [2024-11-22 16:21:40,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2024-11-22 16:21:40,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2024-11-22 16:21:40,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2024-11-22 16:21:40,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2024-11-22 16:21:40,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2024-11-22 16:21:40,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2024-11-22 16:21:40,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2024-11-22 16:21:40,156 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2024-11-22 16:21:40,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 16:21:40,337 INFO L204 MainTranslator]: Completed translation [2024-11-22 16:21:40,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40 WrapperNode [2024-11-22 16:21:40,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 16:21:40,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 16:21:40,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 16:21:40,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 16:21:40,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:40,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:40,559 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5971 [2024-11-22 16:21:40,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 16:21:40,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 16:21:40,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 16:21:40,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 16:21:40,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:40,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:40,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,061 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [9, 4, 1, 0, 2, 2, 4, 4, 4, 28, 6, 3, 3, 543]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [9, 0, 1, 0, 2, 0, 4, 4, 0, 0, 0, 3, 3, 22]. The 130 writes are split as follows [0, 4, 0, 0, 0, 1, 0, 0, 2, 28, 0, 0, 0, 95]. [2024-11-22 16:21:42,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 16:21:42,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 16:21:42,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 16:21:42,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 16:21:42,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (1/1) ... [2024-11-22 16:21:42,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 16:21:42,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 16:21:42,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 16:21:42,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 16:21:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2024-11-22 16:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2024-11-22 16:21:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2024-11-22 16:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2024-11-22 16:21:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2024-11-22 16:21:42,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2024-11-22 16:21:42,346 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2024-11-22 16:21:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2024-11-22 16:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-22 16:21:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-22 16:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-22 16:21:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-22 16:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 16:21:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 16:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-22 16:21:42,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-22 16:21:42,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-11-22 16:21:42,348 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-11-22 16:21:42,348 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-22 16:21:42,349 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2024-11-22 16:21:42,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-22 16:21:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2024-11-22 16:21:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2024-11-22 16:21:42,350 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2024-11-22 16:21:42,350 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-22 16:21:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2024-11-22 16:21:42,351 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2024-11-22 16:21:42,351 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2024-11-22 16:21:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2024-11-22 16:21:42,352 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 16:21:42,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-22 16:21:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2024-11-22 16:21:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2024-11-22 16:21:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 16:21:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-22 16:21:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-22 16:21:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 16:21:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 16:21:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 16:21:42,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-22 16:21:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2024-11-22 16:21:42,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2024-11-22 16:21:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-22 16:21:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-22 16:21:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2024-11-22 16:21:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-11-22 16:21:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-22 16:21:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-22 16:21:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-22 16:21:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2024-11-22 16:21:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2024-11-22 16:21:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2024-11-22 16:21:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2024-11-22 16:21:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:21:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-22 16:21:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2024-11-22 16:21:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2024-11-22 16:21:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2024-11-22 16:21:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2024-11-22 16:21:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-22 16:21:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-22 16:21:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-22 16:21:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-22 16:21:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2024-11-22 16:21:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2024-11-22 16:21:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2024-11-22 16:21:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2024-11-22 16:21:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-22 16:21:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2024-11-22 16:21:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 16:21:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-22 16:21:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-22 16:21:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-22 16:21:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-22 16:21:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 16:21:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 16:21:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 16:21:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 16:21:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 16:21:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2024-11-22 16:21:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-22 16:21:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-22 16:21:42,365 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2024-11-22 16:21:42,365 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2024-11-22 16:21:42,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-22 16:21:42,366 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 16:21:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-22 16:21:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-22 16:21:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2024-11-22 16:21:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2024-11-22 16:21:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2024-11-22 16:21:42,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2024-11-22 16:21:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 16:21:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 16:21:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2024-11-22 16:21:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2024-11-22 16:21:42,375 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-11-22 16:21:42,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 16:21:42,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 16:21:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 16:21:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-22 16:21:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-22 16:21:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2024-11-22 16:21:42,377 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2024-11-22 16:21:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-22 16:21:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2024-11-22 16:21:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2024-11-22 16:21:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2024-11-22 16:21:42,379 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2024-11-22 16:21:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2024-11-22 16:21:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2024-11-22 16:21:42,380 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2024-11-22 16:21:42,380 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2024-11-22 16:21:42,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-22 16:21:42,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 16:21:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2024-11-22 16:21:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2024-11-22 16:21:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2024-11-22 16:21:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2024-11-22 16:21:42,382 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2024-11-22 16:21:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2024-11-22 16:21:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2024-11-22 16:21:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2024-11-22 16:21:42,384 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 16:21:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-22 16:21:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-22 16:21:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2024-11-22 16:21:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2024-11-22 16:21:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-22 16:21:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-22 16:21:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2024-11-22 16:21:42,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2024-11-22 16:21:43,193 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 16:21:43,197 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 16:21:43,627 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 16:21:47,047 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-22 16:21:48,302 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2024-11-22 16:21:48,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 16:21:48,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 16:21:48,347 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 16:21:48,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:21:48 BoogieIcfgContainer [2024-11-22 16:21:48,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 16:21:48,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 16:21:48,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 16:21:48,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 16:21:48,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:21:36" (1/3) ... [2024-11-22 16:21:48,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad1090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:21:48, skipping insertion in model container [2024-11-22 16:21:48,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:21:40" (2/3) ... [2024-11-22 16:21:48,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ad1090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:21:48, skipping insertion in model container [2024-11-22 16:21:48,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:21:48" (3/3) ... [2024-11-22 16:21:48,354 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-22 16:21:48,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 16:21:48,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 16:21:48,475 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 16:21:48,481 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;@5bdb82f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 16:21:48,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 16:21:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 2444 states, 1664 states have (on average 1.3125) internal successors, (2184), 1712 states have internal predecessors, (2184), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) [2024-11-22 16:21:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-11-22 16:21:48,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:21:48,515 INFO L215 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] [2024-11-22 16:21:48,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:21:48,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:21:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash 289273475, now seen corresponding path program 1 times [2024-11-22 16:21:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:21:48,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610766352] [2024-11-22 16:21:48,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:21:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:21:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:21:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:21:49,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:21:49,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610766352] [2024-11-22 16:21:49,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610766352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:21:49,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:21:49,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:21:49,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028463360] [2024-11-22 16:21:49,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:21:49,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:21:49,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:21:49,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:21:49,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:21:49,656 INFO L87 Difference]: Start difference. First operand has 2444 states, 1664 states have (on average 1.3125) internal successors, (2184), 1712 states have internal predecessors, (2184), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-22 16:21:53,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:21:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:21:54,085 INFO L93 Difference]: Finished difference Result 7080 states and 10237 transitions. [2024-11-22 16:21:54,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:21:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 403 [2024-11-22 16:21:54,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:21:54,135 INFO L225 Difference]: With dead ends: 7080 [2024-11-22 16:21:54,135 INFO L226 Difference]: Without dead ends: 4697 [2024-11-22 16:21:54,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:21:54,159 INFO L432 NwaCegarLoop]: 3477 mSDtfsCounter, 3244 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 6892 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:21:54,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 6892 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 16:21:54,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2024-11-22 16:21:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4691. [2024-11-22 16:21:54,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4691 states, 3220 states have (on average 1.31055900621118) internal successors, (4220), 3314 states have internal predecessors, (4220), 1222 states have call successors, (1222), 246 states have call predecessors, (1222), 245 states have return successors, (1218), 1172 states have call predecessors, (1218), 1218 states have call successors, (1218) [2024-11-22 16:21:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 4691 states and 6660 transitions. [2024-11-22 16:21:54,507 INFO L78 Accepts]: Start accepts. Automaton has 4691 states and 6660 transitions. Word has length 403 [2024-11-22 16:21:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:21:54,513 INFO L471 AbstractCegarLoop]: Abstraction has 4691 states and 6660 transitions. [2024-11-22 16:21:54,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-22 16:21:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4691 states and 6660 transitions. [2024-11-22 16:21:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-22 16:21:54,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:21:54,523 INFO L215 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] [2024-11-22 16:21:54,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 16:21:54,524 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:21:54,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:21:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1858230070, now seen corresponding path program 1 times [2024-11-22 16:21:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:21:54,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189281526] [2024-11-22 16:21:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:21:54,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:21:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:21:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:21:55,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:21:55,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189281526] [2024-11-22 16:21:55,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189281526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:21:55,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:21:55,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:21:55,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625547339] [2024-11-22 16:21:55,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:21:55,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:21:55,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:21:55,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:21:55,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:21:55,094 INFO L87 Difference]: Start difference. First operand 4691 states and 6660 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:21:56,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:21:56,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:21:56,578 INFO L93 Difference]: Finished difference Result 11591 states and 16433 transitions. [2024-11-22 16:21:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:21:56,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 406 [2024-11-22 16:21:56,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:21:56,641 INFO L225 Difference]: With dead ends: 11591 [2024-11-22 16:21:56,642 INFO L226 Difference]: Without dead ends: 6973 [2024-11-22 16:21:56,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:21:56,664 INFO L432 NwaCegarLoop]: 3459 mSDtfsCounter, 3259 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6868 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 16:21:56,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6868 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 16:21:56,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6973 states. [2024-11-22 16:21:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6973 to 6935. [2024-11-22 16:21:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6935 states, 4779 states have (on average 1.3103159656831973) internal successors, (6262), 4922 states have internal predecessors, (6262), 1781 states have call successors, (1781), 372 states have call predecessors, (1781), 371 states have return successors, (1777), 1703 states have call predecessors, (1777), 1777 states have call successors, (1777) [2024-11-22 16:21:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6935 states to 6935 states and 9820 transitions. [2024-11-22 16:21:56,951 INFO L78 Accepts]: Start accepts. Automaton has 6935 states and 9820 transitions. Word has length 406 [2024-11-22 16:21:56,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:21:56,952 INFO L471 AbstractCegarLoop]: Abstraction has 6935 states and 9820 transitions. [2024-11-22 16:21:56,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:21:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6935 states and 9820 transitions. [2024-11-22 16:21:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-22 16:21:56,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:21:56,958 INFO L215 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] [2024-11-22 16:21:56,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 16:21:56,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:21:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:21:56,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1326825617, now seen corresponding path program 1 times [2024-11-22 16:21:56,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:21:56,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349135704] [2024-11-22 16:21:56,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:21:56,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:21:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:21:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:21:57,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:21:57,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349135704] [2024-11-22 16:21:57,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349135704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:21:57,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:21:57,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:21:57,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857475059] [2024-11-22 16:21:57,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:21:57,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:21:57,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:21:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:21:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:21:57,396 INFO L87 Difference]: Start difference. First operand 6935 states and 9820 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:22:00,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:22:00,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:00,450 INFO L93 Difference]: Finished difference Result 18180 states and 25727 transitions. [2024-11-22 16:22:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:00,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 407 [2024-11-22 16:22:00,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:00,527 INFO L225 Difference]: With dead ends: 18180 [2024-11-22 16:22:00,527 INFO L226 Difference]: Without dead ends: 11318 [2024-11-22 16:22:00,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:00,557 INFO L432 NwaCegarLoop]: 3459 mSDtfsCounter, 3194 mSDsluCounter, 3372 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3194 SdHoareTripleChecker+Valid, 6831 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:00,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3194 Valid, 6831 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-22 16:22:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11318 states. [2024-11-22 16:22:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11318 to 11282. [2024-11-22 16:22:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11282 states, 7768 states have (on average 1.310633367662204) internal successors, (10181), 8011 states have internal predecessors, (10181), 2887 states have call successors, (2887), 624 states have call predecessors, (2887), 623 states have return successors, (2883), 2751 states have call predecessors, (2883), 2883 states have call successors, (2883) [2024-11-22 16:22:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11282 states to 11282 states and 15951 transitions. [2024-11-22 16:22:01,038 INFO L78 Accepts]: Start accepts. Automaton has 11282 states and 15951 transitions. Word has length 407 [2024-11-22 16:22:01,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:01,039 INFO L471 AbstractCegarLoop]: Abstraction has 11282 states and 15951 transitions. [2024-11-22 16:22:01,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:22:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11282 states and 15951 transitions. [2024-11-22 16:22:01,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-22 16:22:01,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:01,050 INFO L215 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] [2024-11-22 16:22:01,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 16:22:01,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:01,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:01,052 INFO L85 PathProgramCache]: Analyzing trace with hash -930657432, now seen corresponding path program 1 times [2024-11-22 16:22:01,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:01,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623231213] [2024-11-22 16:22:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:01,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:22:01,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:01,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623231213] [2024-11-22 16:22:01,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623231213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:01,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:01,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:22:01,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395775313] [2024-11-22 16:22:01,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:01,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:22:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:01,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:22:01,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:01,380 INFO L87 Difference]: Start difference. First operand 11282 states and 15951 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:22:02,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:22:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:03,370 INFO L93 Difference]: Finished difference Result 27551 states and 38731 transitions. [2024-11-22 16:22:03,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:03,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 408 [2024-11-22 16:22:03,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:03,487 INFO L225 Difference]: With dead ends: 27551 [2024-11-22 16:22:03,487 INFO L226 Difference]: Without dead ends: 16342 [2024-11-22 16:22:03,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:03,528 INFO L432 NwaCegarLoop]: 5346 mSDtfsCounter, 3194 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3194 SdHoareTripleChecker+Valid, 8719 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:03,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3194 Valid, 8719 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 16:22:03,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16342 states. [2024-11-22 16:22:04,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16342 to 16302. [2024-11-22 16:22:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16302 states, 11133 states have (on average 1.3011766819365849) internal successors, (14486), 11525 states have internal predecessors, (14486), 4164 states have call successors, (4164), 1002 states have call predecessors, (4164), 1001 states have return successors, (4160), 3915 states have call predecessors, (4160), 4160 states have call successors, (4160) [2024-11-22 16:22:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16302 states to 16302 states and 22810 transitions. [2024-11-22 16:22:04,208 INFO L78 Accepts]: Start accepts. Automaton has 16302 states and 22810 transitions. Word has length 408 [2024-11-22 16:22:04,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:04,210 INFO L471 AbstractCegarLoop]: Abstraction has 16302 states and 22810 transitions. [2024-11-22 16:22:04,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-22 16:22:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 16302 states and 22810 transitions. [2024-11-22 16:22:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-22 16:22:04,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:04,215 INFO L215 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] [2024-11-22 16:22:04,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 16:22:04,215 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:04,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:04,215 INFO L85 PathProgramCache]: Analyzing trace with hash 14304873, now seen corresponding path program 1 times [2024-11-22 16:22:04,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:04,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961655910] [2024-11-22 16:22:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:04,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:22:04,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:04,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961655910] [2024-11-22 16:22:04,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961655910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:04,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:04,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:22:04,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263804372] [2024-11-22 16:22:04,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:04,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:22:04,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:22:04,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:04,689 INFO L87 Difference]: Start difference. First operand 16302 states and 22810 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-22 16:22:06,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:22:07,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:07,265 INFO L93 Difference]: Finished difference Result 47539 states and 66519 transitions. [2024-11-22 16:22:07,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:07,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 414 [2024-11-22 16:22:07,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:07,414 INFO L225 Difference]: With dead ends: 47539 [2024-11-22 16:22:07,414 INFO L226 Difference]: Without dead ends: 31310 [2024-11-22 16:22:07,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:07,462 INFO L432 NwaCegarLoop]: 3524 mSDtfsCounter, 3259 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6932 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:07,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6932 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-22 16:22:07,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31310 states. [2024-11-22 16:22:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31310 to 31262. [2024-11-22 16:22:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31262 states, 21419 states have (on average 1.301974882114011) internal successors, (27887), 22181 states have internal predecessors, (27887), 7914 states have call successors, (7914), 1926 states have call predecessors, (7914), 1925 states have return successors, (7910), 7431 states have call predecessors, (7910), 7910 states have call successors, (7910) [2024-11-22 16:22:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31262 states to 31262 states and 43711 transitions. [2024-11-22 16:22:08,911 INFO L78 Accepts]: Start accepts. Automaton has 31262 states and 43711 transitions. Word has length 414 [2024-11-22 16:22:08,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:08,912 INFO L471 AbstractCegarLoop]: Abstraction has 31262 states and 43711 transitions. [2024-11-22 16:22:08,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-22 16:22:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 31262 states and 43711 transitions. [2024-11-22 16:22:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-11-22 16:22:08,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:08,918 INFO L215 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] [2024-11-22 16:22:08,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 16:22:08,919 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:08,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:08,920 INFO L85 PathProgramCache]: Analyzing trace with hash -2138829794, now seen corresponding path program 1 times [2024-11-22 16:22:08,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:08,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041966309] [2024-11-22 16:22:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:08,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-22 16:22:09,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:09,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041966309] [2024-11-22 16:22:09,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041966309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:09,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:09,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:22:09,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798201133] [2024-11-22 16:22:09,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:09,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:22:09,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:22:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:09,641 INFO L87 Difference]: Start difference. First operand 31262 states and 43711 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-22 16:22:10,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:22:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:12,468 INFO L93 Difference]: Finished difference Result 89949 states and 125870 transitions. [2024-11-22 16:22:12,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:12,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 421 [2024-11-22 16:22:12,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:12,793 INFO L225 Difference]: With dead ends: 89949 [2024-11-22 16:22:12,793 INFO L226 Difference]: Without dead ends: 58760 [2024-11-22 16:22:12,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:12,910 INFO L432 NwaCegarLoop]: 4068 mSDtfsCounter, 3259 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 7475 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:12,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 7475 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 16:22:12,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58760 states. [2024-11-22 16:22:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58760 to 58720. [2024-11-22 16:22:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58720 states, 40433 states have (on average 1.3029703460045012) internal successors, (52683), 41824 states have internal predecessors, (52683), 14725 states have call successors, (14725), 3559 states have call predecessors, (14725), 3558 states have return successors, (14721), 13867 states have call predecessors, (14721), 14721 states have call successors, (14721) [2024-11-22 16:22:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58720 states to 58720 states and 82129 transitions. [2024-11-22 16:22:15,527 INFO L78 Accepts]: Start accepts. Automaton has 58720 states and 82129 transitions. Word has length 421 [2024-11-22 16:22:15,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:15,527 INFO L471 AbstractCegarLoop]: Abstraction has 58720 states and 82129 transitions. [2024-11-22 16:22:15,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-22 16:22:15,528 INFO L276 IsEmpty]: Start isEmpty. Operand 58720 states and 82129 transitions. [2024-11-22 16:22:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-22 16:22:15,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:15,530 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:22:15,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 16:22:15,531 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:15,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:15,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1617885686, now seen corresponding path program 1 times [2024-11-22 16:22:15,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:15,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103476929] [2024-11-22 16:22:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:15,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-22 16:22:16,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:16,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103476929] [2024-11-22 16:22:16,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103476929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:16,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:16,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:22:16,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519132644] [2024-11-22 16:22:16,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:16,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:22:16,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:16,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:22:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:16,113 INFO L87 Difference]: Start difference. First operand 58720 states and 82129 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-22 16:22:20,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 16:22:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:22,968 INFO L93 Difference]: Finished difference Result 174271 states and 243988 transitions. [2024-11-22 16:22:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 447 [2024-11-22 16:22:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:23,872 INFO L225 Difference]: With dead ends: 174271 [2024-11-22 16:22:23,872 INFO L226 Difference]: Without dead ends: 115677 [2024-11-22 16:22:24,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:24,090 INFO L432 NwaCegarLoop]: 6653 mSDtfsCounter, 3218 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 10064 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:24,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 10064 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 16:22:24,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115677 states. [2024-11-22 16:22:27,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115677 to 115671. [2024-11-22 16:22:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115671 states, 79766 states have (on average 1.3026602813228694) internal successors, (103908), 82345 states have internal predecessors, (103908), 28947 states have call successors, (28947), 6955 states have call predecessors, (28947), 6954 states have return successors, (28943), 27432 states have call predecessors, (28943), 28943 states have call successors, (28943) [2024-11-22 16:22:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115671 states to 115671 states and 161798 transitions. [2024-11-22 16:22:29,147 INFO L78 Accepts]: Start accepts. Automaton has 115671 states and 161798 transitions. Word has length 447 [2024-11-22 16:22:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:29,148 INFO L471 AbstractCegarLoop]: Abstraction has 115671 states and 161798 transitions. [2024-11-22 16:22:29,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-22 16:22:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 115671 states and 161798 transitions. [2024-11-22 16:22:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-22 16:22:29,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:29,151 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 16:22:29,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 16:22:29,151 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:29,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1555846072, now seen corresponding path program 1 times [2024-11-22 16:22:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:29,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84652294] [2024-11-22 16:22:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-22 16:22:29,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:29,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84652294] [2024-11-22 16:22:29,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84652294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:29,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:29,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 16:22:29,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895618506] [2024-11-22 16:22:29,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:29,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 16:22:29,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:29,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 16:22:29,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:29,449 INFO L87 Difference]: Start difference. First operand 115671 states and 161798 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-22 16:22:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 16:22:35,804 INFO L93 Difference]: Finished difference Result 288228 states and 403428 transitions. [2024-11-22 16:22:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 16:22:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 447 [2024-11-22 16:22:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 16:22:36,763 INFO L225 Difference]: With dead ends: 288228 [2024-11-22 16:22:36,763 INFO L226 Difference]: Without dead ends: 172683 [2024-11-22 16:22:37,083 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 16:22:37,084 INFO L432 NwaCegarLoop]: 6648 mSDtfsCounter, 3255 mSDsluCounter, 3413 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 10061 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 16:22:37,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3255 Valid, 10061 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 16:22:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172683 states. [2024-11-22 16:22:43,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172683 to 172654. [2024-11-22 16:22:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172654 states, 119131 states have (on average 1.30247374738733) internal successors, (155165), 122898 states have internal predecessors, (155165), 43169 states have call successors, (43169), 10351 states have call predecessors, (43169), 10350 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-11-22 16:22:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172654 states to 172654 states and 241499 transitions. [2024-11-22 16:22:45,045 INFO L78 Accepts]: Start accepts. Automaton has 172654 states and 241499 transitions. Word has length 447 [2024-11-22 16:22:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 16:22:45,046 INFO L471 AbstractCegarLoop]: Abstraction has 172654 states and 241499 transitions. [2024-11-22 16:22:45,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2024-11-22 16:22:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 172654 states and 241499 transitions. [2024-11-22 16:22:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-11-22 16:22:45,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 16:22:45,048 INFO L215 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 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] [2024-11-22 16:22:45,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 16:22:45,048 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 16:22:45,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 16:22:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 91003662, now seen corresponding path program 1 times [2024-11-22 16:22:45,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 16:22:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364311231] [2024-11-22 16:22:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 16:22:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 16:22:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 16:22:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2024-11-22 16:22:45,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 16:22:45,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364311231] [2024-11-22 16:22:45,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364311231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 16:22:45,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 16:22:45,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 16:22:45,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947048801] [2024-11-22 16:22:45,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 16:22:45,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 16:22:45,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 16:22:45,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 16:22:45,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 16:22:45,621 INFO L87 Difference]: Start difference. First operand 172654 states and 241499 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41)