./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_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:59:29,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:59:29,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:59:29,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:59:29,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:59:29,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:59:29,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:59:29,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:59:29,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:59:29,490 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:59:29,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:59:29,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:59:29,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:59:29,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:59:29,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:59:29,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:59:29,492 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:59:29,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:59:29,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:59:29,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:59:29,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:59:29,493 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 [2024-12-02 08:59:29,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:59:29,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:59:29,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:59:29,743 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:59:29,743 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:59:29,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 08:59:32,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/data/8ea46a110/048dc320bd7044a38b505f9b2ff80ebf/FLAG4fdc3d76f [2024-12-02 08:59:32,986 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:59:32,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 08:59:33,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/data/8ea46a110/048dc320bd7044a38b505f9b2ff80ebf/FLAG4fdc3d76f [2024-12-02 08:59:33,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/data/8ea46a110/048dc320bd7044a38b505f9b2ff80ebf [2024-12-02 08:59:33,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:59:33,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:59:33,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:59:33,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:59:33,049 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:59:33,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:33" (1/1) ... [2024-12-02 08:59:33,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10656672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:33, skipping insertion in model container [2024-12-02 08:59:33,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:59:33" (1/1) ... [2024-12-02 08:59:33,172 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:59:36,431 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,434 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,434 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,434 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:59:36,477 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:59:36,567 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] [2024-12-02 08:59:36,568 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] [2024-12-02 08:59:36,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2024-12-02 08:59:36,571 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] [2024-12-02 08:59:36,571 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] [2024-12-02 08:59:36,573 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] [2024-12-02 08:59:36,573 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] [2024-12-02 08:59:36,573 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] [2024-12-02 08:59:36,573 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] [2024-12-02 08:59:36,573 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] [2024-12-02 08:59:36,574 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] [2024-12-02 08:59:36,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2024-12-02 08:59:36,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2024-12-02 08:59:36,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2024-12-02 08:59:36,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2024-12-02 08:59:36,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2024-12-02 08:59:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2024-12-02 08:59:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2024-12-02 08:59:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2024-12-02 08:59:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2024-12-02 08:59:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2024-12-02 08:59:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2024-12-02 08:59:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2024-12-02 08:59:36,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2024-12-02 08:59:36,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2024-12-02 08:59:36,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2024-12-02 08:59:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2024-12-02 08:59:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2024-12-02 08:59:36,596 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] [2024-12-02 08:59:36,813 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] [2024-12-02 08:59:36,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2024-12-02 08:59:36,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2024-12-02 08:59:36,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2024-12-02 08:59:36,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2024-12-02 08:59:36,893 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,894 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,894 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,894 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_3a429ce3-6a52-4d32-9e45-772d7be1763d/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] [2024-12-02 08:59:36,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:59:37,093 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:59:37,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37 WrapperNode [2024-12-02 08:59:37,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:59:37,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:59:37,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:59:37,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:59:37,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:37,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:37,370 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2024-12-02 08:59:37,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:59:37,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:59:37,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:59:37,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:59:37,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:37,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:37,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,163 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [2, 9, 4, 1, 6, 2, 4, 4, 28, 543, 4, 3, 0, 3]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [0, 9, 0, 1, 0, 2, 4, 4, 0, 22, 0, 3, 0, 3]. The 130 writes are split as follows [1, 0, 4, 0, 0, 0, 0, 0, 28, 95, 2, 0, 0, 0]. [2024-12-02 08:59:39,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:59:39,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:59:39,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:59:39,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:59:39,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (1/1) ... [2024-12-02 08:59:39,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:59:39,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:59:39,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:59:39,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a429ce3-6a52-4d32-9e45-772d7be1763d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2024-12-02 08:59:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2024-12-02 08:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2024-12-02 08:59:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2024-12-02 08:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2024-12-02 08:59:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2024-12-02 08:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2024-12-02 08:59:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2024-12-02 08:59:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:59:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 08:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 08:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-12-02 08:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-12-02 08:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:59:39,454 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2024-12-02 08:59:39,454 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2024-12-02 08:59:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2024-12-02 08:59:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2024-12-02 08:59:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:59:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:59:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2024-12-02 08:59:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2024-12-02 08:59:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2024-12-02 08:59:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2024-12-02 08:59:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2024-12-02 08:59:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2024-12-02 08:59:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2024-12-02 08:59:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2024-12-02 08:59:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2024-12-02 08:59:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2024-12-02 08:59:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:59:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:59:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-12-02 08:59:39,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:59:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2024-12-02 08:59:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2024-12-02 08:59:39,458 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:59:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:59:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:59:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2024-12-02 08:59:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2024-12-02 08:59:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2024-12-02 08:59:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:59:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2024-12-02 08:59:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2024-12-02 08:59:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:59:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:59:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:59:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:59:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:59:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:59:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:59:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:59:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:59:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:59:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:59:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2024-12-02 08:59:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-12-02 08:59:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2024-12-02 08:59:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2024-12-02 08:59:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2024-12-02 08:59:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2024-12-02 08:59:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:59:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2024-12-02 08:59:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2024-12-02 08:59:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:59:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:59:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2024-12-02 08:59:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2024-12-02 08:59:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-02 08:59:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 08:59:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2024-12-02 08:59:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2024-12-02 08:59:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:59:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2024-12-02 08:59:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:59:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 08:59:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:59:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:59:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2024-12-02 08:59:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2024-12-02 08:59:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2024-12-02 08:59:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2024-12-02 08:59:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2024-12-02 08:59:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2024-12-02 08:59:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2024-12-02 08:59:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2024-12-02 08:59:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2024-12-02 08:59:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2024-12-02 08:59:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2024-12-02 08:59:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-12-02 08:59:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-12-02 08:59:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2024-12-02 08:59:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2024-12-02 08:59:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2024-12-02 08:59:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2024-12-02 08:59:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2024-12-02 08:59:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2024-12-02 08:59:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2024-12-02 08:59:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2024-12-02 08:59:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2024-12-02 08:59:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2024-12-02 08:59:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2024-12-02 08:59:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:59:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2024-12-02 08:59:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2024-12-02 08:59:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2024-12-02 08:59:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:59:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 08:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2024-12-02 08:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2024-12-02 08:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2024-12-02 08:59:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2024-12-02 08:59:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2024-12-02 08:59:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2024-12-02 08:59:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2024-12-02 08:59:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:59:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:59:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-12-02 08:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2024-12-02 08:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:59:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2024-12-02 08:59:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2024-12-02 08:59:40,483 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:59:40,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:59:41,030 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:59:48,386 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:59:49,748 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2024-12-02 08:59:49,748 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:59:49,814 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:59:49,814 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:59:49,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:49 BoogieIcfgContainer [2024-12-02 08:59:49,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:59:49,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:59:49,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:59:49,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:59:49,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:59:33" (1/3) ... [2024-12-02 08:59:49,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ef105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:49, skipping insertion in model container [2024-12-02 08:59:49,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:59:37" (2/3) ... [2024-12-02 08:59:49,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651ef105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:59:49, skipping insertion in model container [2024-12-02 08:59:49,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:59:49" (3/3) ... [2024-12-02 08:59:49,825 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2024-12-02 08:59:49,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:59:49,846 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. [2024-12-02 08:59:49,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:59:49,974 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;@dd1c2b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:59:49,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 08:59:49,985 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) [2024-12-02 08:59:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-12-02 08:59:50,011 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:50,011 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] [2024-12-02 08:59:50,012 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)] === [2024-12-02 08:59:50,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:50,018 INFO L85 PathProgramCache]: Analyzing trace with hash 549879318, now seen corresponding path program 1 times [2024-12-02 08:59:50,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:50,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654534825] [2024-12-02 08:59:50,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:50,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 08:59:51,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654534825] [2024-12-02 08:59:51,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654534825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:51,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:59:51,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:59:51,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412965685] [2024-12-02 08:59:51,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:51,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:59:51,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:51,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:59:51,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:59:51,248 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) [2024-12-02 08:59:52,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:59:53,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:59:53,202 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2024-12-02 08:59:53,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:59:53,205 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 [2024-12-02 08:59:53,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:59:53,250 INFO L225 Difference]: With dead ends: 7071 [2024-12-02 08:59:53,250 INFO L226 Difference]: Without dead ends: 4691 [2024-12-02 08:59:53,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:59:53,274 INFO L435 NwaCegarLoop]: 3474 mSDtfsCounter, 3240 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:59:53,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6886 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 08:59:53,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2024-12-02 08:59:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2024-12-02 08:59:53,589 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) [2024-12-02 08:59:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2024-12-02 08:59:53,636 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 404 [2024-12-02 08:59:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:59:53,638 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2024-12-02 08:59:53,638 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) [2024-12-02 08:59:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2024-12-02 08:59:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-02 08:59:53,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:53,649 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:59:53,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:59:53,649 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)] === [2024-12-02 08:59:53,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:53,650 INFO L85 PathProgramCache]: Analyzing trace with hash -793666245, now seen corresponding path program 1 times [2024-12-02 08:59:53,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:53,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133728272] [2024-12-02 08:59:53,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:53,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 08:59:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:54,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133728272] [2024-12-02 08:59:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133728272] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:54,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:59:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:59:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2624981] [2024-12-02 08:59:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:54,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:59:54,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:54,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:59:54,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:59:54,445 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) [2024-12-02 08:59:57,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:59:58,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:59:58,367 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2024-12-02 08:59:58,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:59:58,368 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 [2024-12-02 08:59:58,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:59:58,406 INFO L225 Difference]: With dead ends: 11576 [2024-12-02 08:59:58,406 INFO L226 Difference]: Without dead ends: 6964 [2024-12-02 08:59:58,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:59:58,422 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3256 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:59:58,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6862 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 08:59:58,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2024-12-02 08:59:58,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2024-12-02 08:59:58,663 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) [2024-12-02 08:59:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2024-12-02 08:59:58,703 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2024-12-02 08:59:58,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:59:58,704 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2024-12-02 08:59:58,705 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) [2024-12-02 08:59:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2024-12-02 08:59:58,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-12-02 08:59:58,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:59:58,713 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] [2024-12-02 08:59:58,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:59:58,713 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)] === [2024-12-02 08:59:58,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:59:58,714 INFO L85 PathProgramCache]: Analyzing trace with hash -100780524, now seen corresponding path program 1 times [2024-12-02 08:59:58,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:59:58,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86076285] [2024-12-02 08:59:58,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:59:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:59:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:59:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 08:59:59,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:59:59,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86076285] [2024-12-02 08:59:59,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86076285] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:59:59,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:59:59,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:59:59,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024168432] [2024-12-02 08:59:59,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:59:59,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:59:59,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:59:59,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:59:59,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:59:59,446 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) [2024-12-02 09:00:03,472 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 [] [2024-12-02 09:00:03,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:03,928 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2024-12-02 09:00:03,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:03,929 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 [2024-12-02 09:00:03,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:03,997 INFO L225 Difference]: With dead ends: 18156 [2024-12-02 09:00:03,997 INFO L226 Difference]: Without dead ends: 11303 [2024-12-02 09:00:04,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:04,026 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3191 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 09:00:04,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6825 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 09:00:04,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2024-12-02 09:00:04,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2024-12-02 09:00:04,628 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) [2024-12-02 09:00:04,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2024-12-02 09:00:04,692 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2024-12-02 09:00:04,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:04,693 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2024-12-02 09:00:04,693 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) [2024-12-02 09:00:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2024-12-02 09:00:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-12-02 09:00:04,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:04,703 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] [2024-12-02 09:00:04,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 09:00:04,703 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)] === [2024-12-02 09:00:04,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash -507816882, now seen corresponding path program 1 times [2024-12-02 09:00:04,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575173677] [2024-12-02 09:00:04,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:04,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 09:00:05,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575173677] [2024-12-02 09:00:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575173677] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:05,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:05,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 09:00:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972986350] [2024-12-02 09:00:05,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 09:00:05,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:05,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 09:00:05,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:05,365 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) [2024-12-02 09:00:09,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 09:00:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:09,991 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2024-12-02 09:00:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:09,992 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 [2024-12-02 09:00:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:10,088 INFO L225 Difference]: With dead ends: 27509 [2024-12-02 09:00:10,088 INFO L226 Difference]: Without dead ends: 16315 [2024-12-02 09:00:10,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:10,127 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 [2024-12-02 09:00:10,127 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] [2024-12-02 09:00:10,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2024-12-02 09:00:10,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2024-12-02 09:00:10,947 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) [2024-12-02 09:00:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2024-12-02 09:00:11,036 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2024-12-02 09:00:11,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:11,037 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2024-12-02 09:00:11,038 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) [2024-12-02 09:00:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2024-12-02 09:00:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-12-02 09:00:11,048 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:11,048 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] [2024-12-02 09:00:11,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 09:00:11,049 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)] === [2024-12-02 09:00:11,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash -353496850, now seen corresponding path program 1 times [2024-12-02 09:00:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:11,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386900709] [2024-12-02 09:00:11,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 09:00:11,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:11,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386900709] [2024-12-02 09:00:11,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386900709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:11,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:11,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 09:00:11,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495268815] [2024-12-02 09:00:11,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:11,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 09:00:11,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:11,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 09:00:11,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:11,774 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) [2024-12-02 09:00:15,793 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 [] [2024-12-02 09:00:16,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:16,610 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2024-12-02 09:00:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:16,611 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 [2024-12-02 09:00:16,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:16,797 INFO L225 Difference]: With dead ends: 47461 [2024-12-02 09:00:16,797 INFO L226 Difference]: Without dead ends: 31259 [2024-12-02 09:00:16,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:16,917 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 [2024-12-02 09:00:16,918 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] [2024-12-02 09:00:16,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2024-12-02 09:00:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2024-12-02 09:00:18,475 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) [2024-12-02 09:00:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2024-12-02 09:00:18,590 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2024-12-02 09:00:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:18,591 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2024-12-02 09:00:18,592 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) [2024-12-02 09:00:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2024-12-02 09:00:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 09:00:18,595 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:18,596 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] [2024-12-02 09:00:18,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 09:00:18,596 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)] === [2024-12-02 09:00:18,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:18,597 INFO L85 PathProgramCache]: Analyzing trace with hash 466601216, now seen corresponding path program 1 times [2024-12-02 09:00:18,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:18,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830057480] [2024-12-02 09:00:18,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2024-12-02 09:00:18,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830057480] [2024-12-02 09:00:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830057480] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:18,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:18,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 09:00:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676578866] [2024-12-02 09:00:18,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:18,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 09:00:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:18,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 09:00:18,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:18,992 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) [2024-12-02 09:00:23,013 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 [] [2024-12-02 09:00:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:24,288 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2024-12-02 09:00:24,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:24,289 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 [2024-12-02 09:00:24,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:24,664 INFO L225 Difference]: With dead ends: 89807 [2024-12-02 09:00:24,664 INFO L226 Difference]: Without dead ends: 58669 [2024-12-02 09:00:24,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:24,770 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 3256 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 7343 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 [2024-12-02 09:00:24,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7343 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 09:00:24,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2024-12-02 09:00:26,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2024-12-02 09:00:26,814 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) [2024-12-02 09:00:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2024-12-02 09:00:27,064 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2024-12-02 09:00:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:27,065 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2024-12-02 09:00:27,065 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) [2024-12-02 09:00:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2024-12-02 09:00:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-12-02 09:00:27,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:27,068 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] [2024-12-02 09:00:27,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 09:00:27,068 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)] === [2024-12-02 09:00:27,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:27,069 INFO L85 PathProgramCache]: Analyzing trace with hash -180510301, now seen corresponding path program 1 times [2024-12-02 09:00:27,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:27,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957132457] [2024-12-02 09:00:27,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:27,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-12-02 09:00:27,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:27,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957132457] [2024-12-02 09:00:27,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957132457] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:27,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:27,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 09:00:27,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497121514] [2024-12-02 09:00:27,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:27,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 09:00:27,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:27,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 09:00:27,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:27,590 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) [2024-12-02 09:00:31,610 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 [] [2024-12-02 09:00:34,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:34,002 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2024-12-02 09:00:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:34,003 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 [2024-12-02 09:00:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:34,429 INFO L225 Difference]: With dead ends: 173998 [2024-12-02 09:00:34,429 INFO L226 Difference]: Without dead ends: 115495 [2024-12-02 09:00:34,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:34,589 INFO L435 NwaCegarLoop]: 6645 mSDtfsCounter, 3215 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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 [2024-12-02 09:00:34,589 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] [2024-12-02 09:00:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2024-12-02 09:00:38,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2024-12-02 09:00:38,504 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) [2024-12-02 09:00:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2024-12-02 09:00:38,939 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 447 [2024-12-02 09:00:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:38,940 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2024-12-02 09:00:38,940 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) [2024-12-02 09:00:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2024-12-02 09:00:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2024-12-02 09:00:38,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:38,943 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] [2024-12-02 09:00:38,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 09:00:38,943 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)] === [2024-12-02 09:00:38,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:38,944 INFO L85 PathProgramCache]: Analyzing trace with hash -118470687, now seen corresponding path program 1 times [2024-12-02 09:00:38,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:38,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074623759] [2024-12-02 09:00:38,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2024-12-02 09:00:39,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:39,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074623759] [2024-12-02 09:00:39,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074623759] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:39,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:39,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 09:00:39,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993403906] [2024-12-02 09:00:39,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:39,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 09:00:39,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:39,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 09:00:39,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:39,281 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) [2024-12-02 09:00:40,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 09:00:44,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:44,905 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2024-12-02 09:00:44,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 09:00:44,906 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 [2024-12-02 09:00:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:45,534 INFO L225 Difference]: With dead ends: 287773 [2024-12-02 09:00:45,534 INFO L226 Difference]: Without dead ends: 172410 [2024-12-02 09:00:46,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 09:00:46,052 INFO L435 NwaCegarLoop]: 6585 mSDtfsCounter, 3252 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 09:00:46,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3252 Valid, 9995 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 09:00:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states. [2024-12-02 09:00:52,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172410 to 172381. [2024-12-02 09:00:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172381 states, 118858 states have (on average 1.3031684867657205) internal successors, (154892), 122898 states have internal predecessors, (154892), 43169 states have call successors, (43169), 10351 states have call predecessors, (43169), 10350 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:00:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172381 states to 172381 states and 241226 transitions. [2024-12-02 09:00:53,543 INFO L78 Accepts]: Start accepts. Automaton has 172381 states and 241226 transitions. Word has length 447 [2024-12-02 09:00:53,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:00:53,545 INFO L471 AbstractCegarLoop]: Abstraction has 172381 states and 241226 transitions. [2024-12-02 09:00:53,545 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) [2024-12-02 09:00:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 172381 states and 241226 transitions. [2024-12-02 09:00:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-12-02 09:00:53,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:00:53,552 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:00:53,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 09:00:53,553 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:00:53,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:00:53,553 INFO L85 PathProgramCache]: Analyzing trace with hash 648642708, now seen corresponding path program 1 times [2024-12-02 09:00:53,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:00:53,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062998170] [2024-12-02 09:00:53,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:00:53,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:00:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:00:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2024-12-02 09:00:54,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:00:54,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062998170] [2024-12-02 09:00:54,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062998170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:00:54,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:00:54,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:00:54,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582751069] [2024-12-02 09:00:54,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:00:54,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:00:54,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:00:54,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:00:54,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:00:54,508 INFO L87 Difference]: Start difference. First operand 172381 states and 241226 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-12-02 09:00:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:00:58,731 INFO L93 Difference]: Finished difference Result 172387 states and 241231 transitions. [2024-12-02 09:00:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:00:58,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 448 [2024-12-02 09:00:58,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:00:59,517 INFO L225 Difference]: With dead ends: 172387 [2024-12-02 09:00:59,517 INFO L226 Difference]: Without dead ends: 172385 [2024-12-02 09:00:59,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:00:59,567 INFO L435 NwaCegarLoop]: 3438 mSDtfsCounter, 3344 mSDsluCounter, 6858 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3345 SdHoareTripleChecker+Valid, 10296 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 09:00:59,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3345 Valid, 10296 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 09:00:59,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172385 states. [2024-12-02 09:01:04,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172385 to 172385. [2024-12-02 09:01:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172385 states, 118861 states have (on average 1.3031608349248283) internal successors, (154895), 122901 states have internal predecessors, (154895), 43169 states have call successors, (43169), 10352 states have call predecessors, (43169), 10351 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:01:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172385 states to 172385 states and 241229 transitions. [2024-12-02 09:01:06,437 INFO L78 Accepts]: Start accepts. Automaton has 172385 states and 241229 transitions. Word has length 448 [2024-12-02 09:01:06,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:01:06,438 INFO L471 AbstractCegarLoop]: Abstraction has 172385 states and 241229 transitions. [2024-12-02 09:01:06,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-12-02 09:01:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 172385 states and 241229 transitions. [2024-12-02 09:01:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-12-02 09:01:06,441 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:01:06,441 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-12-02 09:01:06,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 09:01:06,441 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:01:06,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:01:06,442 INFO L85 PathProgramCache]: Analyzing trace with hash 964550856, now seen corresponding path program 1 times [2024-12-02 09:01:06,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:01:06,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311182100] [2024-12-02 09:01:06,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:01:06,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:01:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:01:07,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5382 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2024-12-02 09:01:07,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:01:07,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311182100] [2024-12-02 09:01:07,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311182100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:01:07,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:01:07,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:01:07,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233751382] [2024-12-02 09:01:07,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:01:07,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:01:07,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:01:07,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:01:07,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:01:07,072 INFO L87 Difference]: Start difference. First operand 172385 states and 241229 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 09:01:11,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:01:11,739 INFO L93 Difference]: Finished difference Result 172391 states and 241234 transitions. [2024-12-02 09:01:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:01:11,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 453 [2024-12-02 09:01:11,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:01:12,495 INFO L225 Difference]: With dead ends: 172391 [2024-12-02 09:01:12,495 INFO L226 Difference]: Without dead ends: 172389 [2024-12-02 09:01:12,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:01:12,557 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 3340 mSDsluCounter, 6859 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 10300 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 09:01:12,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 10300 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 09:01:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172389 states. [2024-12-02 09:01:19,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172389 to 172389. [2024-12-02 09:01:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172389 states, 118864 states have (on average 1.3031531834701844) internal successors, (154898), 122904 states have internal predecessors, (154898), 43169 states have call successors, (43169), 10353 states have call predecessors, (43169), 10352 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:01:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172389 states to 172389 states and 241232 transitions. [2024-12-02 09:01:20,513 INFO L78 Accepts]: Start accepts. Automaton has 172389 states and 241232 transitions. Word has length 453 [2024-12-02 09:01:20,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:01:20,514 INFO L471 AbstractCegarLoop]: Abstraction has 172389 states and 241232 transitions. [2024-12-02 09:01:20,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-12-02 09:01:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 172389 states and 241232 transitions. [2024-12-02 09:01:20,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-12-02 09:01:20,517 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:01:20,518 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:01:20,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 09:01:20,518 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:01:20,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:01:20,519 INFO L85 PathProgramCache]: Analyzing trace with hash -180447020, now seen corresponding path program 1 times [2024-12-02 09:01:20,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:01:20,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410003745] [2024-12-02 09:01:20,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:01:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:01:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:01:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5388 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5384 trivial. 0 not checked. [2024-12-02 09:01:21,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:01:21,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410003745] [2024-12-02 09:01:21,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410003745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:01:21,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:01:21,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:01:21,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570535071] [2024-12-02 09:01:21,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:01:21,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:01:21,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:01:21,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:01:21,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:01:21,248 INFO L87 Difference]: Start difference. First operand 172389 states and 241232 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 09:01:26,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:01:26,354 INFO L93 Difference]: Finished difference Result 172395 states and 241237 transitions. [2024-12-02 09:01:26,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:01:26,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 458 [2024-12-02 09:01:26,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:01:26,962 INFO L225 Difference]: With dead ends: 172395 [2024-12-02 09:01:26,963 INFO L226 Difference]: Without dead ends: 172393 [2024-12-02 09:01:27,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:01:27,023 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 3339 mSDsluCounter, 6859 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3340 SdHoareTripleChecker+Valid, 10300 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 09:01:27,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3340 Valid, 10300 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 09:01:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172393 states. [2024-12-02 09:01:33,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172393 to 172393. [2024-12-02 09:01:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172393 states, 118867 states have (on average 1.30314553240176) internal successors, (154901), 122907 states have internal predecessors, (154901), 43169 states have call successors, (43169), 10354 states have call predecessors, (43169), 10353 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:01:34,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172393 states to 172393 states and 241235 transitions. [2024-12-02 09:01:34,373 INFO L78 Accepts]: Start accepts. Automaton has 172393 states and 241235 transitions. Word has length 458 [2024-12-02 09:01:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:01:34,374 INFO L471 AbstractCegarLoop]: Abstraction has 172393 states and 241235 transitions. [2024-12-02 09:01:34,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-12-02 09:01:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 172393 states and 241235 transitions. [2024-12-02 09:01:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-12-02 09:01:34,380 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:01:34,380 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:01:34,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 09:01:34,380 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:01:34,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:01:34,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1580720120, now seen corresponding path program 1 times [2024-12-02 09:01:34,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:01:34,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213334490] [2024-12-02 09:01:34,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:01:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:01:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:01:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5392 trivial. 0 not checked. [2024-12-02 09:01:35,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:01:35,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213334490] [2024-12-02 09:01:35,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213334490] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:01:35,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:01:35,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:01:35,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181039204] [2024-12-02 09:01:35,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:01:35,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:01:35,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:01:35,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:01:35,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:01:35,107 INFO L87 Difference]: Start difference. First operand 172393 states and 241235 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 09:01:40,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:01:40,732 INFO L93 Difference]: Finished difference Result 172399 states and 241240 transitions. [2024-12-02 09:01:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:01:40,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 463 [2024-12-02 09:01:40,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:01:41,342 INFO L225 Difference]: With dead ends: 172399 [2024-12-02 09:01:41,342 INFO L226 Difference]: Without dead ends: 172397 [2024-12-02 09:01:41,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:01:41,395 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 3338 mSDsluCounter, 6859 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 10300 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 09:01:41,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 10300 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 09:01:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172397 states. [2024-12-02 09:01:48,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172397 to 172397. [2024-12-02 09:01:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172397 states, 118870 states have (on average 1.3031378817195256) internal successors, (154904), 122910 states have internal predecessors, (154904), 43169 states have call successors, (43169), 10355 states have call predecessors, (43169), 10354 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:01:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172397 states to 172397 states and 241238 transitions. [2024-12-02 09:01:49,416 INFO L78 Accepts]: Start accepts. Automaton has 172397 states and 241238 transitions. Word has length 463 [2024-12-02 09:01:49,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:01:49,416 INFO L471 AbstractCegarLoop]: Abstraction has 172397 states and 241238 transitions. [2024-12-02 09:01:49,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-12-02 09:01:49,417 INFO L276 IsEmpty]: Start isEmpty. Operand 172397 states and 241238 transitions. [2024-12-02 09:01:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-12-02 09:01:49,424 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:01:49,424 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:01:49,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 09:01:49,424 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:01:49,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:01:49,425 INFO L85 PathProgramCache]: Analyzing trace with hash 435425556, now seen corresponding path program 1 times [2024-12-02 09:01:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:01:49,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936701374] [2024-12-02 09:01:49,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:01:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:01:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:01:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5412 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5404 trivial. 0 not checked. [2024-12-02 09:01:50,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:01:50,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936701374] [2024-12-02 09:01:50,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936701374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:01:50,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:01:50,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:01:50,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315616493] [2024-12-02 09:01:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:01:50,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:01:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:01:50,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:01:50,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:01:50,405 INFO L87 Difference]: Start difference. First operand 172397 states and 241238 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 09:01:56,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:01:56,096 INFO L93 Difference]: Finished difference Result 172403 states and 241243 transitions. [2024-12-02 09:01:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:01:56,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 468 [2024-12-02 09:01:56,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:01:56,701 INFO L225 Difference]: With dead ends: 172403 [2024-12-02 09:01:56,702 INFO L226 Difference]: Without dead ends: 172401 [2024-12-02 09:01:56,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:01:56,757 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 3337 mSDsluCounter, 6859 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 10300 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 09:01:56,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 10300 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 09:01:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172401 states. [2024-12-02 09:02:04,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172401 to 172401. [2024-12-02 09:02:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172401 states, 118873 states have (on average 1.3031302314234519) internal successors, (154907), 122913 states have internal predecessors, (154907), 43169 states have call successors, (43169), 10356 states have call predecessors, (43169), 10355 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:02:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172401 states to 172401 states and 241241 transitions. [2024-12-02 09:02:05,061 INFO L78 Accepts]: Start accepts. Automaton has 172401 states and 241241 transitions. Word has length 468 [2024-12-02 09:02:05,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:02:05,061 INFO L471 AbstractCegarLoop]: Abstraction has 172401 states and 241241 transitions. [2024-12-02 09:02:05,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2024-12-02 09:02:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 172401 states and 241241 transitions. [2024-12-02 09:02:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-12-02 09:02:05,064 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:02:05,064 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:02:05,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 09:02:05,065 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:02:05,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:02:05,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1496186696, now seen corresponding path program 1 times [2024-12-02 09:02:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:02:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693979564] [2024-12-02 09:02:05,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:02:05,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:02:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:02:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5430 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5420 trivial. 0 not checked. [2024-12-02 09:02:05,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:02:05,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693979564] [2024-12-02 09:02:05,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693979564] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:02:05,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:02:05,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:02:05,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992395650] [2024-12-02 09:02:05,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:02:05,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:02:05,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:02:05,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:02:05,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:02:05,750 INFO L87 Difference]: Start difference. First operand 172401 states and 241241 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-12-02 09:02:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 09:02:12,101 INFO L93 Difference]: Finished difference Result 172407 states and 241246 transitions. [2024-12-02 09:02:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 09:02:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 473 [2024-12-02 09:02:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 09:02:12,693 INFO L225 Difference]: With dead ends: 172407 [2024-12-02 09:02:12,693 INFO L226 Difference]: Without dead ends: 172405 [2024-12-02 09:02:12,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 09:02:12,746 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 3336 mSDsluCounter, 6859 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 10300 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 09:02:12,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 10300 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 09:02:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172405 states. [2024-12-02 09:02:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172405 to 172405. [2024-12-02 09:02:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172405 states, 118876 states have (on average 1.30312258151351) internal successors, (154910), 122916 states have internal predecessors, (154910), 43169 states have call successors, (43169), 10357 states have call predecessors, (43169), 10356 states have return successors, (43165), 40997 states have call predecessors, (43165), 43165 states have call successors, (43165) [2024-12-02 09:02:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172405 states to 172405 states and 241244 transitions. [2024-12-02 09:02:21,306 INFO L78 Accepts]: Start accepts. Automaton has 172405 states and 241244 transitions. Word has length 473 [2024-12-02 09:02:21,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 09:02:21,307 INFO L471 AbstractCegarLoop]: Abstraction has 172405 states and 241244 transitions. [2024-12-02 09:02:21,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2024-12-02 09:02:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 172405 states and 241244 transitions. [2024-12-02 09:02:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2024-12-02 09:02:21,311 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 09:02:21,311 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 09:02:21,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 09:02:21,311 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-12-02 09:02:21,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 09:02:21,312 INFO L85 PathProgramCache]: Analyzing trace with hash 802285908, now seen corresponding path program 1 times [2024-12-02 09:02:21,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 09:02:21,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138615165] [2024-12-02 09:02:21,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 09:02:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 09:02:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 09:02:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5440 trivial. 0 not checked. [2024-12-02 09:02:22,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 09:02:22,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138615165] [2024-12-02 09:02:22,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138615165] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 09:02:22,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 09:02:22,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 09:02:22,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105248361] [2024-12-02 09:02:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 09:02:22,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 09:02:22,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 09:02:22,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 09:02:22,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 09:02:22,121 INFO L87 Difference]: Start difference. First operand 172405 states and 241244 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47)