./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 19:46:21,316 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 19:46:21,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 19:46:21,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 19:46:21,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 19:46:21,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 19:46:21,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 19:46:21,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 19:46:21,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 19:46:21,386 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 19:46:21,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 19:46:21,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 19:46:21,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 19:46:21,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 19:46:21,387 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:46:21,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:46:21,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:46:21,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 19:46:21,388 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3fefae310ce545ae0308409428f7c731a57ef22f29237b248c35b48d1414f89 [2025-01-09 19:46:21,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 19:46:21,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 19:46:21,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 19:46:21,616 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 19:46:21,619 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 19:46:21,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-01-09 19:46:22,848 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8574bd030/882daf903270431a8016af3a76c270fc/FLAG0c35826f0 [2025-01-09 19:46:23,327 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 19:46:23,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-01-09 19:46:23,367 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8574bd030/882daf903270431a8016af3a76c270fc/FLAG0c35826f0 [2025-01-09 19:46:23,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8574bd030/882daf903270431a8016af3a76c270fc [2025-01-09 19:46:23,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 19:46:23,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 19:46:23,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 19:46:23,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 19:46:23,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 19:46:23,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:23" (1/1) ... [2025-01-09 19:46:23,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4060bf19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:23, skipping insertion in model container [2025-01-09 19:46:23,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:46:23" (1/1) ... [2025-01-09 19:46:23,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 19:46:26,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2025-01-09 19:46:26,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2025-01-09 19:46:26,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2025-01-09 19:46:26,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2025-01-09 19:46:26,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:46:26,051 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 19:46:26,136 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] [2025-01-09 19:46:26,138 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] [2025-01-09 19:46:26,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2025-01-09 19:46:26,141 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] [2025-01-09 19:46:26,141 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] [2025-01-09 19:46:26,143 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] [2025-01-09 19:46:26,143 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] [2025-01-09 19:46:26,143 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] [2025-01-09 19:46:26,144 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] [2025-01-09 19:46:26,144 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] [2025-01-09 19:46:26,144 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] [2025-01-09 19:46:26,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2025-01-09 19:46:26,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2025-01-09 19:46:26,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2025-01-09 19:46:26,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2025-01-09 19:46:26,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2025-01-09 19:46:26,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2025-01-09 19:46:26,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2025-01-09 19:46:26,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2025-01-09 19:46:26,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2025-01-09 19:46:26,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2025-01-09 19:46:26,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2025-01-09 19:46:26,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2025-01-09 19:46:26,149 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2025-01-09 19:46:26,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2025-01-09 19:46:26,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2025-01-09 19:46:26,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2025-01-09 19:46:26,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2025-01-09 19:46:26,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2025-01-09 19:46:26,164 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] [2025-01-09 19:46:26,327 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] [2025-01-09 19:46:26,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2025-01-09 19:46:26,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2025-01-09 19:46:26,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2025-01-09 19:46:26,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2025-01-09 19:46:26,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2025-01-09 19:46:26,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2025-01-09 19:46:26,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2025-01-09 19:46:26,378 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2025-01-09 19:46:26,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 19:46:26,623 INFO L204 MainTranslator]: Completed translation [2025-01-09 19:46:26,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26 WrapperNode [2025-01-09 19:46:26,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 19:46:26,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 19:46:26,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 19:46:26,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 19:46:26,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:26,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:26,834 INFO L138 Inliner]: procedures = 522, calls = 2083, calls flagged for inlining = 219, calls inlined = 178, statements flattened = 5857 [2025-01-09 19:46:26,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 19:46:26,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 19:46:26,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 19:46:26,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 19:46:26,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:26,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:26,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,165 INFO L175 MemorySlicer]: Split 613 memory accesses to 14 slices as follows [4, 543, 9, 2, 1, 2, 4, 4, 28, 4, 3, 0, 3, 6]. 89 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [0, 22, 9, 0, 1, 2, 4, 4, 0, 0, 3, 0, 3, 0]. The 130 writes are split as follows [4, 95, 0, 1, 0, 0, 0, 0, 28, 2, 0, 0, 0, 0]. [2025-01-09 19:46:28,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 19:46:28,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 19:46:28,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 19:46:28,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 19:46:28,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (1/1) ... [2025-01-09 19:46:28,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 19:46:28,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 19:46:28,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 19:46:28,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 19:46:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2025-01-09 19:46:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2025-01-09 19:46:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:46:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-01-09 19:46:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2025-01-09 19:46:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2025-01-09 19:46:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2025-01-09 19:46:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2025-01-09 19:46:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2025-01-09 19:46:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2025-01-09 19:46:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2025-01-09 19:46:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2025-01-09 19:46:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2025-01-09 19:46:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2025-01-09 19:46:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2025-01-09 19:46:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2025-01-09 19:46:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2025-01-09 19:46:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2025-01-09 19:46:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2025-01-09 19:46:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2025-01-09 19:46:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-01-09 19:46:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-01-09 19:46:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2025-01-09 19:46:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2025-01-09 19:46:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-01-09 19:46:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-01-09 19:46:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2025-01-09 19:46:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2025-01-09 19:46:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 19:46:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2025-01-09 19:46:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2025-01-09 19:46:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-01-09 19:46:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2025-01-09 19:46:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-01-09 19:46:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-01-09 19:46:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2025-01-09 19:46:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2025-01-09 19:46:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-01-09 19:46:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2025-01-09 19:46:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2025-01-09 19:46:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:46:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-01-09 19:46:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-01-09 19:46:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-01-09 19:46:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2025-01-09 19:46:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2025-01-09 19:46:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2025-01-09 19:46:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2025-01-09 19:46:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2025-01-09 19:46:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2025-01-09 19:46:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2025-01-09 19:46:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2025-01-09 19:46:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-01-09 19:46:28,433 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-01-09 19:46:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 19:46:28,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2025-01-09 19:46:28,436 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2025-01-09 19:46:28,436 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2025-01-09 19:46:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 19:46:28,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 19:46:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2025-01-09 19:46:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2025-01-09 19:46:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 19:46:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2025-01-09 19:46:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2025-01-09 19:46:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2025-01-09 19:46:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-01-09 19:46:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2025-01-09 19:46:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-01-09 19:46:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-01-09 19:46:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2025-01-09 19:46:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2025-01-09 19:46:29,241 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 19:46:29,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 19:46:29,654 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 19:46:35,163 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-01-09 19:46:36,230 INFO L? ?]: Removed 2821 outVars from TransFormulas that were not future-live. [2025-01-09 19:46:36,230 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 19:46:36,277 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 19:46:36,278 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 19:46:36,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:36 BoogieIcfgContainer [2025-01-09 19:46:36,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 19:46:36,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 19:46:36,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 19:46:36,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 19:46:36,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:46:23" (1/3) ... [2025-01-09 19:46:36,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fafcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:36, skipping insertion in model container [2025-01-09 19:46:36,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:46:26" (2/3) ... [2025-01-09 19:46:36,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353fafcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:46:36, skipping insertion in model container [2025-01-09 19:46:36,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:46:36" (3/3) ... [2025-01-09 19:46:36,285 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2025-01-09 19:46:36,297 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 19:46:36,300 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i that has 140 procedures, 2508 locations, 1 initial locations, 29 loop locations, and 4 error locations. [2025-01-09 19:46:36,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 19:46:36,387 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36401a4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 19:46:36,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-09 19:46:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) [2025-01-09 19:46:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2025-01-09 19:46:36,414 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:36,414 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:36,416 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:36,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:36,419 INFO L85 PathProgramCache]: Analyzing trace with hash 549879318, now seen corresponding path program 1 times [2025-01-09 19:46:36,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778577773] [2025-01-09 19:46:36,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:36,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 404 statements into 1 equivalence classes. [2025-01-09 19:46:36,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 404 of 404 statements. [2025-01-09 19:46:36,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:36,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:37,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778577773] [2025-01-09 19:46:37,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778577773] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:37,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:37,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043601861] [2025-01-09 19:46:37,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:37,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:37,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:37,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:37,561 INFO L87 Difference]: Start difference. First operand has 2441 states, 1661 states have (on average 1.3130644190246838) internal successors, (2181), 1712 states have internal predecessors, (2181), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 19:46:40,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:46:40,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:40,839 INFO L93 Difference]: Finished difference Result 7071 states and 10228 transitions. [2025-01-09 19:46:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:40,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 404 [2025-01-09 19:46:40,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:40,885 INFO L225 Difference]: With dead ends: 7071 [2025-01-09 19:46:40,886 INFO L226 Difference]: Without dead ends: 4691 [2025-01-09 19:46:40,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:40,904 INFO L435 NwaCegarLoop]: 3474 mSDtfsCounter, 3240 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3240 SdHoareTripleChecker+Valid, 6886 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:40,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3240 Valid, 6886 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-01-09 19:46:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2025-01-09 19:46:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4685. [2025-01-09 19:46:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4685 states, 3214 states have (on average 1.3111387678904791) internal successors, (4214), 3314 states have internal predecessors, (4214), 1222 states have call successors, (1222), 246 states have call predecessors, (1222), 245 states have return successors, (1218), 1172 states have call predecessors, (1218), 1218 states have call successors, (1218) [2025-01-09 19:46:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 4685 states and 6654 transitions. [2025-01-09 19:46:41,201 INFO L78 Accepts]: Start accepts. Automaton has 4685 states and 6654 transitions. Word has length 404 [2025-01-09 19:46:41,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:41,204 INFO L471 AbstractCegarLoop]: Abstraction has 4685 states and 6654 transitions. [2025-01-09 19:46:41,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 19:46:41,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 6654 transitions. [2025-01-09 19:46:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2025-01-09 19:46:41,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:41,212 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:41,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 19:46:41,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:41,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:41,214 INFO L85 PathProgramCache]: Analyzing trace with hash -793666245, now seen corresponding path program 1 times [2025-01-09 19:46:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:41,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236026773] [2025-01-09 19:46:41,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:41,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 406 statements into 1 equivalence classes. [2025-01-09 19:46:41,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 406 of 406 statements. [2025-01-09 19:46:41,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:41,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:41,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:41,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:41,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236026773] [2025-01-09 19:46:41,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236026773] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:41,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:41,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:41,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764615773] [2025-01-09 19:46:41,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:41,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:41,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:41,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:41,731 INFO L87 Difference]: Start difference. First operand 4685 states and 6654 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:43,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:46:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:43,642 INFO L93 Difference]: Finished difference Result 11576 states and 16418 transitions. [2025-01-09 19:46:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:43,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 406 [2025-01-09 19:46:43,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:43,675 INFO L225 Difference]: With dead ends: 11576 [2025-01-09 19:46:43,675 INFO L226 Difference]: Without dead ends: 6964 [2025-01-09 19:46:43,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:43,688 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3256 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:43,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6862 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-01-09 19:46:43,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2025-01-09 19:46:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 6926. [2025-01-09 19:46:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6926 states, 4770 states have (on average 1.310901467505241) internal successors, (6253), 4922 states have internal predecessors, (6253), 1781 states have call successors, (1781), 372 states have call predecessors, (1781), 371 states have return successors, (1777), 1703 states have call predecessors, (1777), 1777 states have call successors, (1777) [2025-01-09 19:46:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9811 transitions. [2025-01-09 19:46:43,965 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9811 transitions. Word has length 406 [2025-01-09 19:46:43,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:43,966 INFO L471 AbstractCegarLoop]: Abstraction has 6926 states and 9811 transitions. [2025-01-09 19:46:43,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9811 transitions. [2025-01-09 19:46:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2025-01-09 19:46:43,974 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:43,974 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:43,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 19:46:43,974 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:43,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:43,977 INFO L85 PathProgramCache]: Analyzing trace with hash -100780524, now seen corresponding path program 1 times [2025-01-09 19:46:43,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:43,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848796283] [2025-01-09 19:46:43,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:43,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:44,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 407 statements into 1 equivalence classes. [2025-01-09 19:46:44,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 407 of 407 statements. [2025-01-09 19:46:44,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:44,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:44,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:44,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848796283] [2025-01-09 19:46:44,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848796283] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:44,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:44,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:44,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689188651] [2025-01-09 19:46:44,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:44,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:44,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:44,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:44,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:44,310 INFO L87 Difference]: Start difference. First operand 6926 states and 9811 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:45,587 INFO L93 Difference]: Finished difference Result 18156 states and 25703 transitions. [2025-01-09 19:46:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:45,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 407 [2025-01-09 19:46:45,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:45,637 INFO L225 Difference]: With dead ends: 18156 [2025-01-09 19:46:45,638 INFO L226 Difference]: Without dead ends: 11303 [2025-01-09 19:46:45,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:45,661 INFO L435 NwaCegarLoop]: 3456 mSDtfsCounter, 3191 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 6825 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:45,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 6825 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-09 19:46:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2025-01-09 19:46:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 11267. [2025-01-09 19:46:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11267 states, 7753 states have (on average 1.3112343608925576) internal successors, (10166), 8011 states have internal predecessors, (10166), 2887 states have call successors, (2887), 624 states have call predecessors, (2887), 623 states have return successors, (2883), 2751 states have call predecessors, (2883), 2883 states have call successors, (2883) [2025-01-09 19:46:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11267 states to 11267 states and 15936 transitions. [2025-01-09 19:46:46,051 INFO L78 Accepts]: Start accepts. Automaton has 11267 states and 15936 transitions. Word has length 407 [2025-01-09 19:46:46,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:46,054 INFO L471 AbstractCegarLoop]: Abstraction has 11267 states and 15936 transitions. [2025-01-09 19:46:46,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 11267 states and 15936 transitions. [2025-01-09 19:46:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2025-01-09 19:46:46,063 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:46,063 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:46,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 19:46:46,063 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:46,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:46,064 INFO L85 PathProgramCache]: Analyzing trace with hash -507816882, now seen corresponding path program 1 times [2025-01-09 19:46:46,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:46,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849274255] [2025-01-09 19:46:46,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:46,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:46,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 408 statements into 1 equivalence classes. [2025-01-09 19:46:46,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 408 of 408 statements. [2025-01-09 19:46:46,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:46,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:46,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:46,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:46,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849274255] [2025-01-09 19:46:46,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849274255] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:46,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:46,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:46,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101004585] [2025-01-09 19:46:46,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:46,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:46,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:46,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:46,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:46,335 INFO L87 Difference]: Start difference. First operand 11267 states and 15936 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:47,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:47,426 INFO L93 Difference]: Finished difference Result 27509 states and 38689 transitions. [2025-01-09 19:46:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 408 [2025-01-09 19:46:47,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:47,545 INFO L225 Difference]: With dead ends: 27509 [2025-01-09 19:46:47,545 INFO L226 Difference]: Without dead ends: 16315 [2025-01-09 19:46:47,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:47,641 INFO L435 NwaCegarLoop]: 5343 mSDtfsCounter, 3191 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 SdHoareTripleChecker+Valid, 8713 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:47,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 8713 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-09 19:46:47,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16315 states. [2025-01-09 19:46:48,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16315 to 16275. [2025-01-09 19:46:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16275 states, 11106 states have (on average 1.3019088780839185) internal successors, (14459), 11525 states have internal predecessors, (14459), 4164 states have call successors, (4164), 1002 states have call predecessors, (4164), 1001 states have return successors, (4160), 3915 states have call predecessors, (4160), 4160 states have call successors, (4160) [2025-01-09 19:46:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16275 states to 16275 states and 22783 transitions. [2025-01-09 19:46:48,191 INFO L78 Accepts]: Start accepts. Automaton has 16275 states and 22783 transitions. Word has length 408 [2025-01-09 19:46:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:48,191 INFO L471 AbstractCegarLoop]: Abstraction has 16275 states and 22783 transitions. [2025-01-09 19:46:48,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2025-01-09 19:46:48,193 INFO L276 IsEmpty]: Start isEmpty. Operand 16275 states and 22783 transitions. [2025-01-09 19:46:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2025-01-09 19:46:48,197 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:48,197 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:48,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 19:46:48,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:48,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash -353496850, now seen corresponding path program 1 times [2025-01-09 19:46:48,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:48,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616172437] [2025-01-09 19:46:48,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:48,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 414 statements into 1 equivalence classes. [2025-01-09 19:46:48,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 414 of 414 statements. [2025-01-09 19:46:48,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:48,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:48,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:48,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:48,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616172437] [2025-01-09 19:46:48,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616172437] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:48,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:48,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:48,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240696300] [2025-01-09 19:46:48,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:48,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:48,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:48,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:48,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:48,708 INFO L87 Difference]: Start difference. First operand 16275 states and 22783 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-01-09 19:46:50,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:50,205 INFO L93 Difference]: Finished difference Result 47461 states and 66441 transitions. [2025-01-09 19:46:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:50,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 414 [2025-01-09 19:46:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:50,342 INFO L225 Difference]: With dead ends: 47461 [2025-01-09 19:46:50,342 INFO L226 Difference]: Without dead ends: 31259 [2025-01-09 19:46:50,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:50,398 INFO L435 NwaCegarLoop]: 3519 mSDtfsCounter, 3256 mSDsluCounter, 3405 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 6924 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:50,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 6924 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-09 19:46:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2025-01-09 19:46:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31211. [2025-01-09 19:46:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31211 states, 21368 states have (on average 1.3026956196181205) internal successors, (27836), 22181 states have internal predecessors, (27836), 7914 states have call successors, (7914), 1926 states have call predecessors, (7914), 1925 states have return successors, (7910), 7431 states have call predecessors, (7910), 7910 states have call successors, (7910) [2025-01-09 19:46:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31211 states to 31211 states and 43660 transitions. [2025-01-09 19:46:51,462 INFO L78 Accepts]: Start accepts. Automaton has 31211 states and 43660 transitions. Word has length 414 [2025-01-09 19:46:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:51,463 INFO L471 AbstractCegarLoop]: Abstraction has 31211 states and 43660 transitions. [2025-01-09 19:46:51,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2025-01-09 19:46:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 31211 states and 43660 transitions. [2025-01-09 19:46:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2025-01-09 19:46:51,468 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:51,468 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:51,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 19:46:51,468 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:51,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 466601216, now seen corresponding path program 1 times [2025-01-09 19:46:51,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:51,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671780514] [2025-01-09 19:46:51,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:51,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 421 statements into 1 equivalence classes. [2025-01-09 19:46:51,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 421 of 421 statements. [2025-01-09 19:46:51,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:51,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2025-01-09 19:46:51,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:51,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671780514] [2025-01-09 19:46:51,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671780514] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:51,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:51,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:51,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744806661] [2025-01-09 19:46:51,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:51,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:51,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:51,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:51,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:51,783 INFO L87 Difference]: Start difference. First operand 31211 states and 43660 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 19:46:53,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:46:53,413 INFO L93 Difference]: Finished difference Result 89807 states and 125728 transitions. [2025-01-09 19:46:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:46:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 421 [2025-01-09 19:46:53,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:46:53,822 INFO L225 Difference]: With dead ends: 89807 [2025-01-09 19:46:53,822 INFO L226 Difference]: Without dead ends: 58669 [2025-01-09 19:46:53,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:53,920 INFO L435 NwaCegarLoop]: 3939 mSDtfsCounter, 3256 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3256 SdHoareTripleChecker+Valid, 7343 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-09 19:46:53,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3256 Valid, 7343 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-09 19:46:53,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58669 states. [2025-01-09 19:46:55,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58669 to 58629. [2025-01-09 19:46:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58629 states, 40342 states have (on average 1.303653760349016) internal successors, (52592), 41824 states have internal predecessors, (52592), 14725 states have call successors, (14725), 3559 states have call predecessors, (14725), 3558 states have return successors, (14721), 13867 states have call predecessors, (14721), 14721 states have call successors, (14721) [2025-01-09 19:46:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82038 transitions. [2025-01-09 19:46:56,233 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82038 transitions. Word has length 421 [2025-01-09 19:46:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:46:56,234 INFO L471 AbstractCegarLoop]: Abstraction has 58629 states and 82038 transitions. [2025-01-09 19:46:56,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2025-01-09 19:46:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82038 transitions. [2025-01-09 19:46:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-01-09 19:46:56,238 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:46:56,238 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:46:56,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 19:46:56,238 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:46:56,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:46:56,239 INFO L85 PathProgramCache]: Analyzing trace with hash -180510301, now seen corresponding path program 1 times [2025-01-09 19:46:56,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:46:56,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410728036] [2025-01-09 19:46:56,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:46:56,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:46:56,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 447 statements into 1 equivalence classes. [2025-01-09 19:46:56,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 447 of 447 statements. [2025-01-09 19:46:56,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:46:56,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:46:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5372 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-01-09 19:46:56,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:46:56,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410728036] [2025-01-09 19:46:56,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410728036] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:46:56,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:46:56,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:46:56,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328542612] [2025-01-09 19:46:56,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:46:56,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:46:56,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:46:56,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:46:56,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:46:56,736 INFO L87 Difference]: Start difference. First operand 58629 states and 82038 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-01-09 19:46:59,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:47:01,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:47:01,771 INFO L93 Difference]: Finished difference Result 173998 states and 243715 transitions. [2025-01-09 19:47:01,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:47:01,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 447 [2025-01-09 19:47:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:47:02,206 INFO L225 Difference]: With dead ends: 173998 [2025-01-09 19:47:02,206 INFO L226 Difference]: Without dead ends: 115495 [2025-01-09 19:47:02,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:47:02,373 INFO L435 NwaCegarLoop]: 6645 mSDtfsCounter, 3215 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 10053 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-09 19:47:02,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3215 Valid, 10053 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-09 19:47:02,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115495 states. [2025-01-09 19:47:05,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115495 to 115489. [2025-01-09 19:47:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115489 states, 79584 states have (on average 1.303352432649779) internal successors, (103726), 82345 states have internal predecessors, (103726), 28947 states have call successors, (28947), 6955 states have call predecessors, (28947), 6954 states have return successors, (28943), 27432 states have call predecessors, (28943), 28943 states have call successors, (28943) [2025-01-09 19:47:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115489 states to 115489 states and 161616 transitions. [2025-01-09 19:47:06,363 INFO L78 Accepts]: Start accepts. Automaton has 115489 states and 161616 transitions. Word has length 447 [2025-01-09 19:47:06,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 19:47:06,364 INFO L471 AbstractCegarLoop]: Abstraction has 115489 states and 161616 transitions. [2025-01-09 19:47:06,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-01-09 19:47:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115489 states and 161616 transitions. [2025-01-09 19:47:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2025-01-09 19:47:06,369 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 19:47:06,370 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 19:47:06,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 19:47:06,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2025-01-09 19:47:06,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 19:47:06,371 INFO L85 PathProgramCache]: Analyzing trace with hash 269870069, now seen corresponding path program 1 times [2025-01-09 19:47:06,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 19:47:06,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928086169] [2025-01-09 19:47:06,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 19:47:06,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 19:47:06,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 448 statements into 1 equivalence classes. [2025-01-09 19:47:06,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 448 of 448 statements. [2025-01-09 19:47:06,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 19:47:06,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 19:47:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5373 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5367 trivial. 0 not checked. [2025-01-09 19:47:06,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 19:47:06,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928086169] [2025-01-09 19:47:06,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928086169] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 19:47:06,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 19:47:06,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 19:47:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853724094] [2025-01-09 19:47:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 19:47:06,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 19:47:06,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 19:47:06,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 19:47:06,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:47:06,728 INFO L87 Difference]: Start difference. First operand 115489 states and 161616 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2025-01-09 19:47:09,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 19:47:13,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 19:47:13,877 INFO L93 Difference]: Finished difference Result 287773 states and 402973 transitions. [2025-01-09 19:47:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 19:47:13,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 448 [2025-01-09 19:47:13,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 19:47:15,050 INFO L225 Difference]: With dead ends: 287773 [2025-01-09 19:47:15,051 INFO L226 Difference]: Without dead ends: 172410 [2025-01-09 19:47:15,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 19:47:15,339 INFO L435 NwaCegarLoop]: 6585 mSDtfsCounter, 3251 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-09 19:47:15,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 9995 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-09 19:47:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172410 states.