./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:18:00,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:18:00,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:18:00,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:18:00,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:18:00,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:18:00,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:18:00,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:18:00,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:18:00,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:18:00,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:18:00,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:18:00,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:18:00,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:18:00,486 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:18:00,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:18:00,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:18:00,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:18:00,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:18:00,488 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:00,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:18:00,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:00,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:18:00,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:18:00,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:18:00,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:18:00,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:18:00,490 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:18:00,490 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 [2024-11-27 20:18:00,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:18:00,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:18:00,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:18:00,843 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:18:00,843 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:18:00,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-27 20:18:04,160 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/data/a27e00ff1/b4e8b9a23ec2409aa2252cdcd5836459/FLAGf26a6aeeb [2024-11-27 20:18:04,984 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:18:04,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-27 20:18:05,050 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/data/a27e00ff1/b4e8b9a23ec2409aa2252cdcd5836459/FLAGf26a6aeeb [2024-11-27 20:18:05,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/data/a27e00ff1/b4e8b9a23ec2409aa2252cdcd5836459 [2024-11-27 20:18:05,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:18:05,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:18:05,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:05,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:18:05,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:18:05,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:05" (1/1) ... [2024-11-27 20:18:05,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51ef8306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:05, skipping insertion in model container [2024-11-27 20:18:05,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:18:05" (1/1) ... [2024-11-27 20:18:05,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:18:09,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:09,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:09,245 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:09,246 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:09,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:09,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:18:09,476 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] [2024-11-27 20:18:09,478 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] [2024-11-27 20:18:09,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2024-11-27 20:18:09,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/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] [2024-11-27 20:18:09,485 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] [2024-11-27 20:18:09,488 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] [2024-11-27 20:18:09,488 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] [2024-11-27 20:18:09,489 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] [2024-11-27 20:18:09,490 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] [2024-11-27 20:18:09,492 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] [2024-11-27 20:18:09,492 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] [2024-11-27 20:18:09,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2024-11-27 20:18:09,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2024-11-27 20:18:09,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2024-11-27 20:18:09,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2024-11-27 20:18:09,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2024-11-27 20:18:09,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2024-11-27 20:18:09,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2024-11-27 20:18:09,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2024-11-27 20:18:09,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2024-11-27 20:18:09,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2024-11-27 20:18:09,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2024-11-27 20:18:09,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2024-11-27 20:18:09,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2024-11-27 20:18:09,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2024-11-27 20:18:09,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2024-11-27 20:18:09,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2024-11-27 20:18:09,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2024-11-27 20:18:09,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2024-11-27 20:18:09,502 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2024-11-27 20:18:09,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2024-11-27 20:18:09,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2024-11-27 20:18:09,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2024-11-27 20:18:09,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2024-11-27 20:18:09,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2024-11-27 20:18:09,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2024-11-27 20:18:09,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2024-11-27 20:18:09,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2024-11-27 20:18:09,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2024-11-27 20:18:09,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2024-11-27 20:18:09,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2024-11-27 20:18:09,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2024-11-27 20:18:09,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2024-11-27 20:18:09,544 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] [2024-11-27 20:18:09,847 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] [2024-11-27 20:18:09,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2024-11-27 20:18:09,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2024-11-27 20:18:09,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2024-11-27 20:18:09,983 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2024-11-27 20:18:10,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:10,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:10,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:10,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/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] [2024-11-27 20:18:10,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:18:10,232 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:18:10,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10 WrapperNode [2024-11-27 20:18:10,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:18:10,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:10,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:18:10,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:18:10,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:10,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:10,603 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2024-11-27 20:18:10,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:18:10,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:18:10,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:18:10,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:18:10,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:10,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:10,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,006 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [2, 6, 9, 4, 1, 4, 2, 4, 4, 28, 543, 0, 3, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [0, 0, 9, 0, 1, 0, 2, 4, 4, 0, 22, 0, 3, 3]. The 130 writes are split as follows [1, 0, 0, 4, 0, 2, 0, 0, 0, 28, 95, 0, 0, 0]. [2024-11-27 20:18:13,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:18:13,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:18:13,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:18:13,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:18:13,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (1/1) ... [2024-11-27 20:18:13,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:18:13,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:18:13,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:18:13,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9f5558-13c1-447a-898d-80c8c32d1d02/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:18:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2024-11-27 20:18:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2024-11-27 20:18:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2024-11-27 20:18:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2024-11-27 20:18:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2024-11-27 20:18:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2024-11-27 20:18:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2024-11-27 20:18:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2024-11-27 20:18:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:18:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-27 20:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-27 20:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:18:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-27 20:18:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-27 20:18:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:18:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2024-11-27 20:18:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2024-11-27 20:18:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-27 20:18:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2024-11-27 20:18:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-11-27 20:18:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-11-27 20:18:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2024-11-27 20:18:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2024-11-27 20:18:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-11-27 20:18:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-11-27 20:18:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2024-11-27 20:18:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2024-11-27 20:18:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:18:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:18:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2024-11-27 20:18:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-27 20:18:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2024-11-27 20:18:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2024-11-27 20:18:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2024-11-27 20:18:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:18:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2024-11-27 20:18:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2024-11-27 20:18:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2024-11-27 20:18:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2024-11-27 20:18:13,519 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:18:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:18:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:18:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:18:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:18:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:18:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:18:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2024-11-27 20:18:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2024-11-27 20:18:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:18:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:18:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2024-11-27 20:18:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-27 20:18:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2024-11-27 20:18:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2024-11-27 20:18:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:18:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-27 20:18:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2024-11-27 20:18:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2024-11-27 20:18:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:18:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-27 20:18:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-27 20:18:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-27 20:18:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-27 20:18:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2024-11-27 20:18:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2024-11-27 20:18:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2024-11-27 20:18:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2024-11-27 20:18:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-27 20:18:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2024-11-27 20:18:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-11-27 20:18:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:18:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:18:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2024-11-27 20:18:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2024-11-27 20:18:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2024-11-27 20:18:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2024-11-27 20:18:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2024-11-27 20:18:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-27 20:18:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2024-11-27 20:18:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:18:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 20:18:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:18:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:18:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:18:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:18:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:18:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:18:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:18:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:18:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2024-11-27 20:18:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2024-11-27 20:18:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:18:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-27 20:18:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-11-27 20:18:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2024-11-27 20:18:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2024-11-27 20:18:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2024-11-27 20:18:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2024-11-27 20:18:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-11-27 20:18:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:18:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2024-11-27 20:18:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:18:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:18:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-11-27 20:18:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-11-27 20:18:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 20:18:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 20:18:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 20:18:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 20:18:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2024-11-27 20:18:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:18:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2024-11-27 20:18:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 20:18:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2024-11-27 20:18:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2024-11-27 20:18:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2024-11-27 20:18:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-27 20:18:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-27 20:18:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2024-11-27 20:18:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2024-11-27 20:18:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2024-11-27 20:18:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2024-11-27 20:18:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2024-11-27 20:18:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2024-11-27 20:18:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2024-11-27 20:18:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2024-11-27 20:18:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2024-11-27 20:18:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:18:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:18:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2024-11-27 20:18:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2024-11-27 20:18:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-27 20:18:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-27 20:18:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-27 20:18:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-11-27 20:18:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2024-11-27 20:18:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2024-11-27 20:18:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2024-11-27 20:18:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2024-11-27 20:18:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2024-11-27 20:18:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2024-11-27 20:18:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:18:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:18:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-27 20:18:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2024-11-27 20:18:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-27 20:18:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-27 20:18:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2024-11-27 20:18:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2024-11-27 20:18:14,905 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:18:14,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:18:15,758 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:18:24,731 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-27 20:18:26,861 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2024-11-27 20:18:26,861 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:18:26,945 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:18:26,948 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:18:26,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:18:26 BoogieIcfgContainer [2024-11-27 20:18:26,949 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:18:26,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:18:26,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:18:26,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:18:26,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:18:05" (1/3) ... [2024-11-27 20:18:26,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243f76b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:18:26, skipping insertion in model container [2024-11-27 20:18:26,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:18:10" (2/3) ... [2024-11-27 20:18:26,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243f76b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:18:26, skipping insertion in model container [2024-11-27 20:18:26,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:18:26" (3/3) ... [2024-11-27 20:18:26,967 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-11-27 20:18:26,988 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:18:26,992 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i that has 140 procedures, 2508 locations, 1 initial locations, 29 loop locations, and 4 error locations. [2024-11-27 20:18:27,162 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:18:27,181 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;@3c4567c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:18:27,181 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-27 20:18:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 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) [2024-11-27 20:18:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-11-27 20:18:27,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:27,242 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:27,242 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)] === [2024-11-27 20:18:27,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:27,249 INFO L85 PathProgramCache]: Analyzing trace with hash 549879318, now seen corresponding path program 1 times [2024-11-27 20:18:27,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:27,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530292959] [2024-11-27 20:18:27,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:29,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:29,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530292959] [2024-11-27 20:18:29,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530292959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:29,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:29,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:29,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339075845] [2024-11-27 20:18:29,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:29,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:29,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:29,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:29,330 INFO L87 Difference]: Start difference. First operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 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 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-27 20:18:31,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:18:31,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:31,709 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2024-11-27 20:18:31,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:31,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 404 [2024-11-27 20:18:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:31,800 INFO L225 Difference]: With dead ends: 7071 [2024-11-27 20:18:31,800 INFO L226 Difference]: Without dead ends: 4691 [2024-11-27 20:18:31,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:31,829 INFO L435 NwaCegarLoop]: 3474 mSDtfsCounter, 3240 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:31,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6886 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:18:31,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2024-11-27 20:18:32,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2024-11-27 20:18:32,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4685 states, 3214 states have (on average 1.3111387678904791) internal successors, (4214), 3314 states have internal predecessors, (4214), 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) [2024-11-27 20:18:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2024-11-27 20:18:32,450 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 404 [2024-11-27 20:18:32,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:32,455 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2024-11-27 20:18:32,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-27 20:18:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2024-11-27 20:18:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-11-27 20:18:32,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:32,475 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:32,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:18:32,475 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)] === [2024-11-27 20:18:32,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:32,477 INFO L85 PathProgramCache]: Analyzing trace with hash -793666245, now seen corresponding path program 1 times [2024-11-27 20:18:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478008961] [2024-11-27 20:18:32,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:33,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:33,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:33,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478008961] [2024-11-27 20:18:33,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478008961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:33,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:33,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:33,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673631285] [2024-11-27 20:18:33,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:33,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:33,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:33,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:33,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:33,431 INFO L87 Difference]: Start difference. First operand 4685 states and 6654 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) [2024-11-27 20:18:37,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:18:37,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:37,955 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2024-11-27 20:18:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:37,956 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 [2024-11-27 20:18:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:38,016 INFO L225 Difference]: With dead ends: 11576 [2024-11-27 20:18:38,016 INFO L226 Difference]: Without dead ends: 6964 [2024-11-27 20:18:38,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:38,042 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3256 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:38,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6862 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 20:18:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2024-11-27 20:18:38,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2024-11-27 20:18:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6926 states, 4770 states have (on average 1.310901467505241) internal successors, (6253), 4922 states have internal predecessors, (6253), 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) [2024-11-27 20:18:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2024-11-27 20:18:38,524 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2024-11-27 20:18:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:38,527 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2024-11-27 20:18:38,528 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) [2024-11-27 20:18:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2024-11-27 20:18:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-11-27 20:18:38,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:38,542 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:38,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:18:38,543 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)] === [2024-11-27 20:18:38,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash -100780524, now seen corresponding path program 1 times [2024-11-27 20:18:38,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:38,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392266230] [2024-11-27 20:18:38,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:39,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:39,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:39,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392266230] [2024-11-27 20:18:39,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392266230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:39,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:39,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:39,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592632053] [2024-11-27 20:18:39,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:39,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:39,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:39,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:39,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:39,261 INFO L87 Difference]: Start difference. First operand 6926 states and 9811 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) [2024-11-27 20:18:41,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:18:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:42,286 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2024-11-27 20:18:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:42,286 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 [2024-11-27 20:18:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:42,371 INFO L225 Difference]: With dead ends: 18156 [2024-11-27 20:18:42,371 INFO L226 Difference]: Without dead ends: 11303 [2024-11-27 20:18:42,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:42,406 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3191 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:42,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6825 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-27 20:18:42,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2024-11-27 20:18:43,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2024-11-27 20:18:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11267 states, 7753 states have (on average 1.3112343608925576) internal successors, (10166), 8011 states have internal predecessors, (10166), 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) [2024-11-27 20:18:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2024-11-27 20:18:43,218 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2024-11-27 20:18:43,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:43,219 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2024-11-27 20:18:43,220 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) [2024-11-27 20:18:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2024-11-27 20:18:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-27 20:18:43,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:43,231 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:43,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:18:43,231 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)] === [2024-11-27 20:18:43,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:43,232 INFO L85 PathProgramCache]: Analyzing trace with hash -507816882, now seen corresponding path program 1 times [2024-11-27 20:18:43,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:43,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245009057] [2024-11-27 20:18:43,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:43,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:43,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:43,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245009057] [2024-11-27 20:18:43,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245009057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:43,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:43,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938884231] [2024-11-27 20:18:43,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:43,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:43,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:43,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:43,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:43,821 INFO L87 Difference]: Start difference. First operand 11267 states and 15936 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) [2024-11-27 20:18:47,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:18:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:48,545 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2024-11-27 20:18:48,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:48,545 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 [2024-11-27 20:18:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:48,679 INFO L225 Difference]: With dead ends: 27509 [2024-11-27 20:18:48,679 INFO L226 Difference]: Without dead ends: 16315 [2024-11-27 20:18:48,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:48,849 INFO L435 NwaCegarLoop]: 5343 mSDtfsCounter, 3191 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 8713 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:48,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8713 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-27 20:18:48,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2024-11-27 20:18:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2024-11-27 20:18:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16275 states, 11106 states have (on average 1.3019088780839185) internal successors, (14459), 11525 states have internal predecessors, (14459), 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) [2024-11-27 20:18:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2024-11-27 20:18:50,208 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2024-11-27 20:18:50,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:50,209 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2024-11-27 20:18:50,210 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) [2024-11-27 20:18:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2024-11-27 20:18:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-11-27 20:18:50,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:50,219 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:50,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:18:50,220 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)] === [2024-11-27 20:18:50,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:50,221 INFO L85 PathProgramCache]: Analyzing trace with hash -353496850, now seen corresponding path program 1 times [2024-11-27 20:18:50,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244257619] [2024-11-27 20:18:50,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:50,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:51,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:51,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244257619] [2024-11-27 20:18:51,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244257619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:51,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:51,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:51,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786620395] [2024-11-27 20:18:51,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:51,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:51,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:51,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:51,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:51,029 INFO L87 Difference]: Start difference. First operand 16275 states and 22783 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) [2024-11-27 20:18:55,054 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 [] [2024-11-27 20:18:56,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:18:56,609 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2024-11-27 20:18:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:18:56,610 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 [2024-11-27 20:18:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:18:56,875 INFO L225 Difference]: With dead ends: 47461 [2024-11-27 20:18:56,875 INFO L226 Difference]: Without dead ends: 31259 [2024-11-27 20:18:56,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:56,968 INFO L435 NwaCegarLoop]: 3519 mSDtfsCounter, 3256 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6924 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:18:56,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6924 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 20:18:57,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2024-11-27 20:18:58,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2024-11-27 20:18:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31211 states, 21368 states have (on average 1.3026956196181205) internal successors, (27836), 22181 states have internal predecessors, (27836), 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) [2024-11-27 20:18:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2024-11-27 20:18:59,055 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2024-11-27 20:18:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:18:59,057 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2024-11-27 20:18:59,058 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) [2024-11-27 20:18:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2024-11-27 20:18:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-11-27 20:18:59,068 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:18:59,068 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:18:59,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:18:59,069 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)] === [2024-11-27 20:18:59,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:18:59,070 INFO L85 PathProgramCache]: Analyzing trace with hash 466601216, now seen corresponding path program 1 times [2024-11-27 20:18:59,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:18:59,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026922237] [2024-11-27 20:18:59,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:18:59,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:18:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:18:59,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-11-27 20:18:59,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:18:59,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026922237] [2024-11-27 20:18:59,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026922237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:18:59,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:18:59,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:18:59,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731678839] [2024-11-27 20:18:59,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:18:59,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:18:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:18:59,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:18:59,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:18:59,808 INFO L87 Difference]: Start difference. First operand 31211 states and 43660 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) [2024-11-27 20:19:01,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:19:04,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:04,706 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2024-11-27 20:19:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:04,706 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 [2024-11-27 20:19:04,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:05,059 INFO L225 Difference]: With dead ends: 89807 [2024-11-27 20:19:05,059 INFO L226 Difference]: Without dead ends: 58669 [2024-11-27 20:19:05,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:05,165 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 3256 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:05,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7343 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-27 20:19:05,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2024-11-27 20:19:08,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2024-11-27 20:19:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58629 states, 40342 states have (on average 1.303653760349016) internal successors, (52592), 41824 states have internal predecessors, (52592), 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) [2024-11-27 20:19:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2024-11-27 20:19:08,761 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2024-11-27 20:19:08,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:08,762 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2024-11-27 20:19:08,763 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) [2024-11-27 20:19:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2024-11-27 20:19:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-27 20:19:08,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:08,772 INFO L218 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] [2024-11-27 20:19:08,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:19:08,774 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)] === [2024-11-27 20:19:08,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:08,774 INFO L85 PathProgramCache]: Analyzing trace with hash -180510301, now seen corresponding path program 1 times [2024-11-27 20:19:08,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:08,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354299384] [2024-11-27 20:19:08,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:08,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:09,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-27 20:19:09,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:09,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354299384] [2024-11-27 20:19:09,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354299384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:09,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:09,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:09,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204080446] [2024-11-27 20:19:09,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:09,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:09,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:09,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:09,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:09,983 INFO L87 Difference]: Start difference. First operand 58629 states and 82038 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) [2024-11-27 20:19:14,014 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 [] [2024-11-27 20:19:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:17,845 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2024-11-27 20:19:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:17,845 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 [2024-11-27 20:19:17,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:18,817 INFO L225 Difference]: With dead ends: 173998 [2024-11-27 20:19:18,817 INFO L226 Difference]: Without dead ends: 115495 [2024-11-27 20:19:19,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:19,113 INFO L435 NwaCegarLoop]: 6645 mSDtfsCounter, 3215 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 10053 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 [2024-11-27 20:19:19,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 10053 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-27 20:19:19,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2024-11-27 20:19:25,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2024-11-27 20:19:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115489 states, 79584 states have (on average 1.303352432649779) internal successors, (103726), 82345 states have internal predecessors, (103726), 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) [2024-11-27 20:19:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2024-11-27 20:19:26,673 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 447 [2024-11-27 20:19:26,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:19:26,675 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2024-11-27 20:19:26,675 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) [2024-11-27 20:19:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2024-11-27 20:19:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-11-27 20:19:26,684 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:19:26,685 INFO L218 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] [2024-11-27 20:19:26,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:19:26,686 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)] === [2024-11-27 20:19:26,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:19:26,686 INFO L85 PathProgramCache]: Analyzing trace with hash -118470687, now seen corresponding path program 1 times [2024-11-27 20:19:26,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:19:26,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399251995] [2024-11-27 20:19:26,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:19:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:19:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:19:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-11-27 20:19:27,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:19:27,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399251995] [2024-11-27 20:19:27,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399251995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:19:27,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:19:27,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:19:27,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814450818] [2024-11-27 20:19:27,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:19:27,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:19:27,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:19:27,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:19:27,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:27,261 INFO L87 Difference]: Start difference. First operand 115489 states and 161616 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) [2024-11-27 20:19:31,290 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 [] [2024-11-27 20:19:37,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:19:37,388 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2024-11-27 20:19:37,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:19:37,389 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 [2024-11-27 20:19:37,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:19:38,689 INFO L225 Difference]: With dead ends: 287773 [2024-11-27 20:19:38,689 INFO L226 Difference]: Without dead ends: 172410 [2024-11-27 20:19:39,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:19:39,109 INFO L435 NwaCegarLoop]: 6585 mSDtfsCounter, 3252 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:19:39,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9995 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 20:19:39,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states.