./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:43,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:43,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:36:43,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:43,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:43,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:43,471 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:43,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:43,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:43,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:43,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:43,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:43,483 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:43,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:43,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:43,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:43,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:43,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:43,487 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:43,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:43,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:43,489 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:43,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:43,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:43,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:43,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:43,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:43,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:43,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:43,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:43,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:43,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:43,495 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:43,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:43,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:43,496 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:43,496 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 [2023-11-19 07:36:43,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:43,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:43,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:43,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:43,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:43,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-19 07:36:47,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:48,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:48,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-19 07:36:48,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/data/39ddd7353/d9552b0ce4514f0aac1b66e2be8af659/FLAG3d36e2950 [2023-11-19 07:36:48,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/data/39ddd7353/d9552b0ce4514f0aac1b66e2be8af659 [2023-11-19 07:36:48,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:48,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:48,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:48,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:48,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:48,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:48" (1/1) ... [2023-11-19 07:36:48,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8147ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:48, skipping insertion in model container [2023-11-19 07:36:48,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:48" (1/1) ... [2023-11-19 07:36:48,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:53,517 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2023-11-19 07:36:53,524 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2023-11-19 07:36:53,525 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2023-11-19 07:36:53,526 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2023-11-19 07:36:53,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:53,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:53,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7210] [2023-11-19 07:36:53,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7217] [2023-11-19 07:36:53,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7224] [2023-11-19 07:36:53,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7321-7322] [2023-11-19 07:36:53,837 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [7327-7329] [2023-11-19 07:36:53,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [7369] [2023-11-19 07:36:53,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [7376] [2023-11-19 07:36:53,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [7404-7405] [2023-11-19 07:36:53,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7408-7409] [2023-11-19 07:36:53,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7412-7413] [2023-11-19 07:36:53,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [7416-7417] [2023-11-19 07:36:53,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7466] [2023-11-19 07:36:53,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7469] [2023-11-19 07:36:53,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7472] [2023-11-19 07:36:53,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7475] [2023-11-19 07:36:53,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7512] [2023-11-19 07:36:53,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7515] [2023-11-19 07:36:53,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [7517] [2023-11-19 07:36:53,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7522] [2023-11-19 07:36:53,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7525] [2023-11-19 07:36:53,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7527] [2023-11-19 07:36:53,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7532] [2023-11-19 07:36:53,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7535] [2023-11-19 07:36:53,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [7537] [2023-11-19 07:36:53,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7542] [2023-11-19 07:36:53,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7545] [2023-11-19 07:36:53,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [7547] [2023-11-19 07:36:53,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7585] [2023-11-19 07:36:53,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7588] [2023-11-19 07:36:53,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [7590] [2023-11-19 07:36:53,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [7595] [2023-11-19 07:36:53,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [7598] [2023-11-19 07:36:53,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7600] [2023-11-19 07:36:53,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [7605] [2023-11-19 07:36:53,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [7608] [2023-11-19 07:36:53,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [7610] [2023-11-19 07:36:53,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [7615] [2023-11-19 07:36:53,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [7618] [2023-11-19 07:36:53,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [7620] [2023-11-19 07:36:53,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7636] [2023-11-19 07:36:53,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7762] [2023-11-19 07:36:53,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7771] [2023-11-19 07:36:53,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8045] [2023-11-19 07:36:53,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"fs/nfs/nfs4filelayout.c"), "i" (84), "i" (12UL)); [8355-8356] [2023-11-19 07:36:54,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [12441-12442] [2023-11-19 07:36:54,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [12800] [2023-11-19 07:36:54,237 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13954] [2023-11-19 07:36:54,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13956] [2023-11-19 07:36:54,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [13993] [2023-11-19 07:36:54,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2023-11-19 07:36:54,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2023-11-19 07:36:54,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2023-11-19 07:36:54,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2023-11-19 07:36:54,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:54,547 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:54,547 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:54,547 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:54,548 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:36:54,556 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:54,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54 WrapperNode [2023-11-19 07:36:54,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:54,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:54,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:54,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:54,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:54,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:54,926 INFO L138 Inliner]: procedures = 522, calls = 2082, calls flagged for inlining = 218, calls inlined = 177, statements flattened = 5755 [2023-11-19 07:36:54,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:54,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:54,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:54,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:54,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:54,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:54,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:54,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:55,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:55,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:55,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:55,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (1/1) ... [2023-11-19 07:36:55,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:55,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba5d3d9d-a732-4259-8e94-cb7a96e5943a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2023-11-19 07:36:55,481 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2023-11-19 07:36:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 07:36:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2023-11-19 07:36:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2023-11-19 07:36:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2023-11-19 07:36:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2023-11-19 07:36:55,483 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2023-11-19 07:36:55,483 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2023-11-19 07:36:55,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:36:55,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:36:55,485 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 07:36:55,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 07:36:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:36:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:36:55,487 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-19 07:36:55,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-19 07:36:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:36:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:36:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2023-11-19 07:36:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2023-11-19 07:36:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2023-11-19 07:36:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2023-11-19 07:36:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:36:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:36:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2023-11-19 07:36:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2023-11-19 07:36:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-19 07:36:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-19 07:36:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2023-11-19 07:36:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2023-11-19 07:36:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-19 07:36:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-19 07:36:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2023-11-19 07:36:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2023-11-19 07:36:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:36:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:36:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2023-11-19 07:36:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2023-11-19 07:36:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:36:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:36:55,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:36:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2023-11-19 07:36:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2023-11-19 07:36:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2023-11-19 07:36:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2023-11-19 07:36:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:36:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:36:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2023-11-19 07:36:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2023-11-19 07:36:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:36:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:36:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:36:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2023-11-19 07:36:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2023-11-19 07:36:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2023-11-19 07:36:55,501 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2023-11-19 07:36:55,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:36:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:36:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:36:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2023-11-19 07:36:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2023-11-19 07:36:55,503 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2023-11-19 07:36:55,503 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2023-11-19 07:36:55,504 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2023-11-19 07:36:55,505 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2023-11-19 07:36:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:36:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2023-11-19 07:36:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2023-11-19 07:36:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2023-11-19 07:36:55,507 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2023-11-19 07:36:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:36:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:36:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2023-11-19 07:36:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2023-11-19 07:36:55,508 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:36:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:36:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2023-11-19 07:36:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2023-11-19 07:36:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:36:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:36:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2023-11-19 07:36:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2023-11-19 07:36:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:36:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:36:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:36:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:36:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:36:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2023-11-19 07:36:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2023-11-19 07:36:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2023-11-19 07:36:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2023-11-19 07:36:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:36:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:36:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2023-11-19 07:36:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2023-11-19 07:36:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-19 07:36:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-19 07:36:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:36:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:36:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:36:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2023-11-19 07:36:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2023-11-19 07:36:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2023-11-19 07:36:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2023-11-19 07:36:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:36:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:36:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2023-11-19 07:36:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2023-11-19 07:36:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2023-11-19 07:36:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2023-11-19 07:36:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:36:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:36:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:36:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:36:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2023-11-19 07:36:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2023-11-19 07:36:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2023-11-19 07:36:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2023-11-19 07:36:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:36:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:36:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2023-11-19 07:36:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2023-11-19 07:36:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:36:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:36:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:36:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:36:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:36:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:36:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2023-11-19 07:36:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2023-11-19 07:36:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:36:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:36:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2023-11-19 07:36:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2023-11-19 07:36:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2023-11-19 07:36:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2023-11-19 07:36:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 07:36:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 07:36:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2023-11-19 07:36:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2023-11-19 07:36:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2023-11-19 07:36:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2023-11-19 07:36:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2023-11-19 07:36:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2023-11-19 07:36:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2023-11-19 07:36:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2023-11-19 07:36:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2023-11-19 07:36:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2023-11-19 07:36:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2023-11-19 07:36:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2023-11-19 07:36:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2023-11-19 07:36:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2023-11-19 07:36:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 07:36:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 07:36:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-19 07:36:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-19 07:36:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2023-11-19 07:36:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2023-11-19 07:36:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2023-11-19 07:36:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2023-11-19 07:36:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2023-11-19 07:36:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2023-11-19 07:36:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:36:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:36:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-19 07:36:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-19 07:36:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2023-11-19 07:36:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2023-11-19 07:36:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2023-11-19 07:36:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2023-11-19 07:36:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 07:36:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 07:36:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:36:55,546 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:36:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2023-11-19 07:36:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2023-11-19 07:36:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2023-11-19 07:36:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2023-11-19 07:36:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2023-11-19 07:36:55,547 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2023-11-19 07:36:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:36:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2023-11-19 07:36:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2023-11-19 07:36:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-19 07:36:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-19 07:36:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:36:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2023-11-19 07:36:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2023-11-19 07:36:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:36:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:36:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-19 07:36:55,550 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-19 07:36:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:36:55,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:36:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:36:55,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:36:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2023-11-19 07:36:55,551 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2023-11-19 07:36:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:36:55,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:36:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2023-11-19 07:36:55,551 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2023-11-19 07:36:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:36:55,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:36:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2023-11-19 07:36:55,552 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2023-11-19 07:36:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2023-11-19 07:36:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2023-11-19 07:36:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:36:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:36:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2023-11-19 07:36:55,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2023-11-19 07:36:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2023-11-19 07:36:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2023-11-19 07:36:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-19 07:36:55,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-19 07:36:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2023-11-19 07:36:55,556 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2023-11-19 07:36:55,560 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:36:55,560 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:36:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:36:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:36:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2023-11-19 07:36:55,561 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2023-11-19 07:36:55,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:36:55,562 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2023-11-19 07:36:55,562 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2023-11-19 07:36:55,563 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2023-11-19 07:36:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2023-11-19 07:36:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:36:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:36:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-19 07:36:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-19 07:36:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2023-11-19 07:36:55,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2023-11-19 07:36:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 07:36:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:36:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:36:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:36:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:36:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2023-11-19 07:36:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2023-11-19 07:36:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:36:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:36:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2023-11-19 07:36:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2023-11-19 07:36:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:36:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:36:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2023-11-19 07:36:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2023-11-19 07:36:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2023-11-19 07:36:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2023-11-19 07:36:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2023-11-19 07:36:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2023-11-19 07:36:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2023-11-19 07:36:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2023-11-19 07:36:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:36:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:36:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2023-11-19 07:36:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2023-11-19 07:36:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:36:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:36:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2023-11-19 07:36:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2023-11-19 07:36:56,864 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:56,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:57,556 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:37:01,496 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:37:01,742 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:01,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:01,787 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:37:01,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:01 BoogieIcfgContainer [2023-11-19 07:37:01,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:01,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:01,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:01,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:01,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:48" (1/3) ... [2023-11-19 07:37:01,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea09f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:01, skipping insertion in model container [2023-11-19 07:37:01,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:54" (2/3) ... [2023-11-19 07:37:01,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea09f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:01, skipping insertion in model container [2023-11-19 07:37:01,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:01" (3/3) ... [2023-11-19 07:37:01,825 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2023-11-19 07:37:01,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:01,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:37:01,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:37:01,996 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4cbdc570, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:37:01,997 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 07:37:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 2381 states, 1601 states have (on average 1.3235477826358526) internal successors, (2119), 1652 states have internal predecessors, (2119), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) [2023-11-19 07:37:02,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2023-11-19 07:37:02,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:02,075 INFO L195 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] [2023-11-19 07:37:02,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:37:02,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:02,084 INFO L85 PathProgramCache]: Analyzing trace with hash -361036670, now seen corresponding path program 1 times [2023-11-19 07:37:02,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:02,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902175619] [2023-11-19 07:37:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:02,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:37:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:37:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:37:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:37:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:37:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:37:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:37:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:37:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:37:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:37:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:37:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:37:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:37:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:37:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:37:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:37:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:37:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:37:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:37:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:37:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:37:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-19 07:37:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:37:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:37:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-19 07:37:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:37:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-19 07:37:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-19 07:37:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-19 07:37:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 07:37:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-19 07:37:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-19 07:37:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-19 07:37:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-19 07:37:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-19 07:37:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2023-11-19 07:37:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-19 07:37:04,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902175619] [2023-11-19 07:37:04,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902175619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:04,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:04,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:37:04,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957725361] [2023-11-19 07:37:04,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:04,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:37:04,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:04,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:37:04,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:37:04,871 INFO L87 Difference]: Start difference. First operand has 2381 states, 1601 states have (on average 1.3235477826358526) internal successors, (2119), 1652 states have internal predecessors, (2119), 651 states have call successors, (651), 126 states have call predecessors, (651), 125 states have return successors, (645), 622 states have call predecessors, (645), 645 states have call successors, (645) Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 07:37:14,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:14,425 INFO L93 Difference]: Finished difference Result 7323 states and 10802 transitions. [2023-11-19 07:37:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:37:14,428 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 403 [2023-11-19 07:37:14,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:14,530 INFO L225 Difference]: With dead ends: 7323 [2023-11-19 07:37:14,531 INFO L226 Difference]: Without dead ends: 5003 [2023-11-19 07:37:14,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:37:14,575 INFO L413 NwaCegarLoop]: 2411 mSDtfsCounter, 4590 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 2881 mSolverCounterSat, 1849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5097 SdHoareTripleChecker+Valid, 5899 SdHoareTripleChecker+Invalid, 4730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1849 IncrementalHoareTripleChecker+Valid, 2881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:14,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5097 Valid, 5899 Invalid, 4730 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1849 Valid, 2881 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-11-19 07:37:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2023-11-19 07:37:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 4567. [2023-11-19 07:37:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4567 states, 3096 states have (on average 1.321705426356589) internal successors, (4092), 3196 states have internal predecessors, (4092), 1222 states have call successors, (1222), 246 states have call predecessors, (1222), 245 states have return successors, (1218), 1172 states have call predecessors, (1218), 1218 states have call successors, (1218) [2023-11-19 07:37:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6532 transitions. [2023-11-19 07:37:15,206 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6532 transitions. Word has length 403 [2023-11-19 07:37:15,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:15,212 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6532 transitions. [2023-11-19 07:37:15,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-19 07:37:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6532 transitions. [2023-11-19 07:37:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-19 07:37:15,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:15,233 INFO L195 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] [2023-11-19 07:37:15,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:37:15,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:37:15,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:15,235 INFO L85 PathProgramCache]: Analyzing trace with hash -453540602, now seen corresponding path program 1 times [2023-11-19 07:37:15,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:15,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954734892] [2023-11-19 07:37:15,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:37:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:37:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:37:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:37:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:37:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:37:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:37:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:37:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:37:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:37:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:37:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:37:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:37:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:37:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:37:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:37:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-19 07:37:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 07:37:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-19 07:37:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-19 07:37:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-19 07:37:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-19 07:37:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-11-19 07:37:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-11-19 07:37:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-19 07:37:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-19 07:37:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-11-19 07:37:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2023-11-19 07:37:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-11-19 07:37:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-11-19 07:37:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2023-11-19 07:37:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-19 07:37:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2023-11-19 07:37:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2023-11-19 07:37:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2023-11-19 07:37:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-11-19 07:37:17,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:17,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954734892] [2023-11-19 07:37:17,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954734892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:17,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:17,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:37:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378754545] [2023-11-19 07:37:17,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:17,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:37:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:37:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:37:17,318 INFO L87 Difference]: Start difference. First operand 4567 states and 6532 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36)