./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/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_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx --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 d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:43,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:43,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 21:00:43,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:43,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:43,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:43,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:43,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:43,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:43,305 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:43,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:43,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:43,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:43,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:43,311 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:43,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:43,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:00:43,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:43,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:43,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:00:43,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:43,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:00:43,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:43,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:43,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:43,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:43,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:43,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:43,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:43,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:43,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:43,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:00:43,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:43,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:43,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:43,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:43,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:00:43,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:43,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:43,323 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 [2023-11-21 21:00:43,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:43,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:43,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:43,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:43,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:43,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-21 21:00:46,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:47,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:47,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-21 21:00:47,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/data/f2fde046e/e9186e8e38f74545a12b1d0b1f872ead/FLAG4bf819b9e [2023-11-21 21:00:47,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/data/f2fde046e/e9186e8e38f74545a12b1d0b1f872ead [2023-11-21 21:00:47,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:47,882 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:47,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:47,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:47,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:47,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:47,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f6e15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:47, skipping insertion in model container [2023-11-21 21:00:47,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:47" (1/1) ... [2023-11-21 21:00:48,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:52,622 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:52,626 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:52,627 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:52,628 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:52,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:52,670 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:52,876 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] [2023-11-21 21:00:52,878 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] [2023-11-21 21:00:52,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2023-11-21 21:00:52,881 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] [2023-11-21 21:00:52,881 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] [2023-11-21 21:00:52,883 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] [2023-11-21 21:00:52,884 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] [2023-11-21 21:00:52,885 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] [2023-11-21 21:00:52,885 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] [2023-11-21 21:00:52,885 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] [2023-11-21 21:00:52,885 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] [2023-11-21 21:00:52,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2023-11-21 21:00:52,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2023-11-21 21:00:52,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2023-11-21 21:00:52,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2023-11-21 21:00:52,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2023-11-21 21:00:52,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2023-11-21 21:00:52,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2023-11-21 21:00:52,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2023-11-21 21:00:52,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2023-11-21 21:00:52,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2023-11-21 21:00:52,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2023-11-21 21:00:52,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2023-11-21 21:00:52,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2023-11-21 21:00:52,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2023-11-21 21:00:52,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2023-11-21 21:00:52,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2023-11-21 21:00:52,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2023-11-21 21:00:52,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2023-11-21 21:00:52,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2023-11-21 21:00:52,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2023-11-21 21:00:52,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2023-11-21 21:00:52,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2023-11-21 21:00:52,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2023-11-21 21:00:52,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2023-11-21 21:00:52,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2023-11-21 21:00:52,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2023-11-21 21:00:52,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2023-11-21 21:00:52,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2023-11-21 21:00:52,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2023-11-21 21:00:52,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2023-11-21 21:00:52,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2023-11-21 21:00:52,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2023-11-21 21:00:52,916 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] [2023-11-21 21:00:53,155 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] [2023-11-21 21:00:53,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2023-11-21 21:00:53,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2023-11-21 21:00:53,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2023-11-21 21:00:53,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2023-11-21 21:00:53,277 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:53,278 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:53,278 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:53,279 WARN L240 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_62163766-6cfe-4d80-9ebc-09db0fd9f247/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] [2023-11-21 21:00:53,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:53,501 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:53,501 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:53,501 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:53,502 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:53,509 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:53,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53 WrapperNode [2023-11-21 21:00:53,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:53,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:53,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:53,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:53,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,868 INFO L138 Inliner]: procedures = 522, calls = 2082, calls flagged for inlining = 218, calls inlined = 177, statements flattened = 5755 [2023-11-21 21:00:53,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:53,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:53,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:53,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:53,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,929 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:56,947 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 21:00:56,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:56,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:57,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:57,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:57,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:57,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:57,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:57,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:57,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62163766-6cfe-4d80-9ebc-09db0fd9f247/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2023-11-21 21:00:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2023-11-21 21:00:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 21:00:57,370 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2023-11-21 21:00:57,370 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2023-11-21 21:00:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2023-11-21 21:00:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2023-11-21 21:00:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2023-11-21 21:00:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2023-11-21 21:00:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 21:00:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 21:00:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-21 21:00:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-21 21:00:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 21:00:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 21:00:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 21:00:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 21:00:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 21:00:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 21:00:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2023-11-21 21:00:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2023-11-21 21:00:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2023-11-21 21:00:57,375 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2023-11-21 21:00:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 21:00:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 21:00:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2023-11-21 21:00:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2023-11-21 21:00:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-21 21:00:57,377 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-21 21:00:57,377 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2023-11-21 21:00:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2023-11-21 21:00:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-21 21:00:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-21 21:00:57,378 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2023-11-21 21:00:57,378 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2023-11-21 21:00:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 21:00:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 21:00:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2023-11-21 21:00:57,379 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2023-11-21 21:00:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-21 21:00:57,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 21:00:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 21:00:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2023-11-21 21:00:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2023-11-21 21:00:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2023-11-21 21:00:57,380 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2023-11-21 21:00:57,380 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 21:00:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 21:00:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2023-11-21 21:00:57,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2023-11-21 21:00:57,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 21:00:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 21:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 21:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2023-11-21 21:00:57,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2023-11-21 21:00:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2023-11-21 21:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2023-11-21 21:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 21:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 21:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 21:00:57,383 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2023-11-21 21:00:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2023-11-21 21:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2023-11-21 21:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2023-11-21 21:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2023-11-21 21:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2023-11-21 21:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 21:00:57,384 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2023-11-21 21:00:57,384 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2023-11-21 21:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2023-11-21 21:00:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2023-11-21 21:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 21:00:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 21:00:57,385 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2023-11-21 21:00:57,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2023-11-21 21:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 21:00:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 21:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2023-11-21 21:00:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2023-11-21 21:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 21:00:57,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 21:00:57,386 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2023-11-21 21:00:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2023-11-21 21:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 21:00:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 21:00:57,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 21:00:57,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 21:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2023-11-21 21:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2023-11-21 21:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2023-11-21 21:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2023-11-21 21:00:57,388 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 21:00:57,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 21:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2023-11-21 21:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2023-11-21 21:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-21 21:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-21 21:00:57,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 21:00:57,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 21:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2023-11-21 21:00:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2023-11-21 21:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2023-11-21 21:00:57,390 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2023-11-21 21:00:57,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2023-11-21 21:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2023-11-21 21:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2023-11-21 21:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2023-11-21 21:00:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 21:00:57,391 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 21:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 21:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 21:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2023-11-21 21:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2023-11-21 21:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2023-11-21 21:00:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2023-11-21 21:00:57,392 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 21:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 21:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2023-11-21 21:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2023-11-21 21:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 21:00:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 21:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 21:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 21:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 21:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 21:00:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2023-11-21 21:00:57,394 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2023-11-21 21:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 21:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 21:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2023-11-21 21:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2023-11-21 21:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2023-11-21 21:00:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2023-11-21 21:00:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-21 21:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-21 21:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2023-11-21 21:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2023-11-21 21:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2023-11-21 21:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2023-11-21 21:00:57,396 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2023-11-21 21:00:57,396 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2023-11-21 21:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2023-11-21 21:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2023-11-21 21:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2023-11-21 21:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2023-11-21 21:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2023-11-21 21:00:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2023-11-21 21:00:57,397 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2023-11-21 21:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2023-11-21 21:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-21 21:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-21 21:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-21 21:00:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-21 21:00:57,398 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2023-11-21 21:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2023-11-21 21:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2023-11-21 21:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2023-11-21 21:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2023-11-21 21:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2023-11-21 21:00:57,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 21:00:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 21:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-21 21:00:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-21 21:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2023-11-21 21:00:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2023-11-21 21:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2023-11-21 21:00:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2023-11-21 21:00:57,400 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-21 21:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-21 21:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 21:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 21:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2023-11-21 21:00:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2023-11-21 21:00:57,401 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2023-11-21 21:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2023-11-21 21:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2023-11-21 21:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2023-11-21 21:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2023-11-21 21:00:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2023-11-21 21:00:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-21 21:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-21 21:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 21:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2023-11-21 21:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2023-11-21 21:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:00:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:00:57,403 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-21 21:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-21 21:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 21:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 21:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 21:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 21:00:57,404 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2023-11-21 21:00:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2023-11-21 21:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 21:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 21:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2023-11-21 21:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2023-11-21 21:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-21 21:00:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-21 21:00:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2023-11-21 21:00:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2023-11-21 21:00:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2023-11-21 21:00:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2023-11-21 21:00:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 21:00:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 21:00:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2023-11-21 21:00:57,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2023-11-21 21:00:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2023-11-21 21:00:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2023-11-21 21:00:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-21 21:00:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-21 21:00:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2023-11-21 21:00:57,407 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2023-11-21 21:00:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 21:00:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 21:00:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 21:00:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 21:00:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2023-11-21 21:00:57,408 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2023-11-21 21:00:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 21:00:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2023-11-21 21:00:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2023-11-21 21:00:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2023-11-21 21:00:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2023-11-21 21:00:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 21:00:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 21:00:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-21 21:00:57,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-21 21:00:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2023-11-21 21:00:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2023-11-21 21:00:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-21 21:00:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 21:00:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 21:00:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 21:00:57,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 21:00:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2023-11-21 21:00:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2023-11-21 21:00:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 21:00:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 21:00:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2023-11-21 21:00:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2023-11-21 21:00:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 21:00:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 21:00:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2023-11-21 21:00:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2023-11-21 21:00:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2023-11-21 21:00:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2023-11-21 21:00:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2023-11-21 21:00:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2023-11-21 21:00:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2023-11-21 21:00:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2023-11-21 21:00:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 21:00:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 21:00:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 21:00:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2023-11-21 21:00:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2023-11-21 21:00:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 21:00:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 21:00:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2023-11-21 21:00:57,414 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2023-11-21 21:00:58,438 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:58,444 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:59,110 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 21:01:02,506 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 21:01:02,729 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:05,343 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:05,344 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:01:05,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:05 BoogieIcfgContainer [2023-11-21 21:01:05,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:05,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:05,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:05,353 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:05,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:47" (1/3) ... [2023-11-21 21:01:05,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62860f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:05, skipping insertion in model container [2023-11-21 21:01:05,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53" (2/3) ... [2023-11-21 21:01:05,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62860f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:05, skipping insertion in model container [2023-11-21 21:01:05,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:05" (3/3) ... [2023-11-21 21:01:05,356 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-21 21:01:05,377 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:05,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 21:01:05,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:05,493 INFO L357 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, mHoare=true, 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;@69cb17ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:05,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 21:01:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 1919 states, 1139 states have (on average 1.3107989464442493) internal successors, (1493), 1190 states have internal predecessors, (1493), 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) [2023-11-21 21:01:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2023-11-21 21:01:05,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:05,539 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 21:01:05,540 INFO L420 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)] === [2023-11-21 21:01:05,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:05,545 INFO L85 PathProgramCache]: Analyzing trace with hash 70888211, now seen corresponding path program 1 times [2023-11-21 21:01:05,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:05,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816463558] [2023-11-21 21:01:05,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:05,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 21:01:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 21:01:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:01:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:01:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 21:01:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 21:01:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 21:01:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 21:01:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 21:01:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 21:01:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 21:01:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 21:01:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 21:01:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 21:01:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 21:01:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 21:01:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 21:01:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 21:01:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 21:01:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-21 21:01:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 21:01:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-21 21:01:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-21 21:01:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 21:01:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-21 21:01:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-21 21:01:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-21 21:01:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-21 21:01:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-21 21:01:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-21 21:01:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-21 21:01:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-21 21:01:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-21 21:01:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-11-21 21:01:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2023-11-21 21:01:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-21 21:01:07,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:07,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816463558] [2023-11-21 21:01:07,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816463558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:07,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:07,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:01:07,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029237984] [2023-11-21 21:01:07,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:07,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:07,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:07,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:07,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:07,689 INFO L87 Difference]: Start difference. First operand has 1919 states, 1139 states have (on average 1.3107989464442493) internal successors, (1493), 1190 states have internal predecessors, (1493), 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 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-21 21:01:17,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:17,023 INFO L93 Difference]: Finished difference Result 5880 states and 8823 transitions. [2023-11-21 21:01:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:17,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (40), 3 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 360 [2023-11-21 21:01:17,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:17,125 INFO L225 Difference]: With dead ends: 5880 [2023-11-21 21:01:17,126 INFO L226 Difference]: Without dead ends: 4020 [2023-11-21 21:01:17,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:17,157 INFO L413 NwaCegarLoop]: 1780 mSDtfsCounter, 3402 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 3037 mSolverCounterSat, 1835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3910 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 4872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1835 IncrementalHoareTripleChecker+Valid, 3037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:17,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3910 Valid, 4128 Invalid, 4872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1835 Valid, 3037 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-11-21 21:01:17,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4020 states. [2023-11-21 21:01:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4020 to 3678. [2023-11-21 21:01:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 2207 states have (on average 1.3081105573176257) internal successors, (2887), 2307 states have internal predecessors, (2887), 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) [2023-11-21 21:01:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 5327 transitions. [2023-11-21 21:01:17,692 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 5327 transitions. Word has length 360 [2023-11-21 21:01:17,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:17,698 INFO L495 AbstractCegarLoop]: Abstraction has 3678 states and 5327 transitions. [2023-11-21 21:01:17,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-21 21:01:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 5327 transitions. [2023-11-21 21:01:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-21 21:01:17,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:17,720 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 21:01:17,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:01:17,723 INFO L420 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)] === [2023-11-21 21:01:17,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:17,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1394169870, now seen corresponding path program 1 times [2023-11-21 21:01:17,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:01:17,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111421688] [2023-11-21 21:01:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:17,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:01:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 21:01:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 21:01:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 21:01:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 21:01:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 21:01:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 21:01:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 21:01:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 21:01:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 21:01:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 21:01:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 21:01:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:18,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 21:01:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 21:01:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 21:01:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 21:01:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-21 21:01:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 21:01:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 21:01:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-21 21:01:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-21 21:01:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-21 21:01:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-21 21:01:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-21 21:01:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-21 21:01:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-21 21:01:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-21 21:01:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-11-21 21:01:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2023-11-21 21:01:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-21 21:01:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-21 21:01:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-21 21:01:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2023-11-21 21:01:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2023-11-21 21:01:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 21:01:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-11-21 21:01:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-21 21:01:19,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:01:19,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111421688] [2023-11-21 21:01:19,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111421688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:19,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:19,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 21:01:19,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124473511] [2023-11-21 21:01:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:19,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:01:19,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:01:19,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:01:19,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:01:19,582 INFO L87 Difference]: Start difference. First operand 3678 states and 5327 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)