./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-blocklayout-blocklayoutdriver.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:21,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:21,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:37:21,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:21,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:21,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:21,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:21,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:21,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:21,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:21,715 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:21,715 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:21,716 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:21,717 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:21,717 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:21,718 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:21,719 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:21,720 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:21,720 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:21,721 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:21,722 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:21,723 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:21,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:21,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:21,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:21,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:21,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:21,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:21,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:21,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:21,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:21,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:21,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:21,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:21,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:21,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:21,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:21,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:21,733 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:21,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:21,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:21,734 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:21,735 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:21,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:21,736 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2023-11-23 20:37:21,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:22,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:22,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:22,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:22,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:22,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-23 20:37:25,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:26,108 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:26,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-23 20:37:26,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/data/e24e3540f/c694a1b8fe0342148c16987ab1ec82cb/FLAG7ec9f7a6b [2023-11-23 20:37:26,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/data/e24e3540f/c694a1b8fe0342148c16987ab1ec82cb [2023-11-23 20:37:26,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:26,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:26,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:26,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:26,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:26,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:26" (1/1) ... [2023-11-23 20:37:26,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e81f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:26, skipping insertion in model container [2023-11-23 20:37:26,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:26" (1/1) ... [2023-11-23 20:37:26,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:31,589 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-23 20:37:31,596 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-23 20:37:31,597 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-23 20:37:31,598 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-23 20:37:31,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:31,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:31,904 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"); [7804] [2023-11-23 20:37:31,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7811] [2023-11-23 20:37:31,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7859] [2023-11-23 20:37:31,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7862] [2023-11-23 20:37:31,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7865] [2023-11-23 20:37:31,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7868] [2023-11-23 20:37:31,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7897] [2023-11-23 20:37:31,910 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"); [7926-7927] [2023-11-23 20:37:31,911 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"); [7930-7931] [2023-11-23 20:37:31,911 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"); [7934-7935] [2023-11-23 20:37:31,911 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"); [7938-7939] [2023-11-23 20:37:31,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [7996] [2023-11-23 20:37:31,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [7999] [2023-11-23 20:37:31,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [8001] [2023-11-23 20:37:31,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8006] [2023-11-23 20:37:31,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8009] [2023-11-23 20:37:31,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8011] [2023-11-23 20:37:31,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8016] [2023-11-23 20:37:31,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8019] [2023-11-23 20:37:31,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [8021] [2023-11-23 20:37:31,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8026] [2023-11-23 20:37:31,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8029] [2023-11-23 20:37:31,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [8031] [2023-11-23 20:37:31,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [8069] [2023-11-23 20:37:31,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [8072] [2023-11-23 20:37:31,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [8074] [2023-11-23 20:37:31,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [8079] [2023-11-23 20:37:31,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [8082] [2023-11-23 20:37:31,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8084] [2023-11-23 20:37:31,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [8089] [2023-11-23 20:37:31,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [8092] [2023-11-23 20:37:31,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [8094] [2023-11-23 20:37:31,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [8099] [2023-11-23 20:37:31,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [8102] [2023-11-23 20:37:31,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [8104] [2023-11-23 20:37:31,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8154] [2023-11-23 20:37:31,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8163] [2023-11-23 20:37:31,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8522] [2023-11-23 20:37:31,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8532] [2023-11-23 20:37:31,933 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 *)"include/linux/highmem.h"), "i" (198), "i" (12UL)); [8592-8593] [2023-11-23 20:37:31,941 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8832-8833] [2023-11-23 20:37:31,942 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [8842-8843] [2023-11-23 20:37:31,943 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 *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [8856-8857] [2023-11-23 20:37:31,975 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/blocklayout/blocklayout.c"), "i" (368), "i" (12UL)); [9564-9565] [2023-11-23 20:37:31,976 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/blocklayout/blocklayout.c"), "i" (372), "i" (12UL)); [9581-9582] [2023-11-23 20:37:31,991 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/blocklayout/blocklayout.c"), "i" (593), "i" (12UL)); [10000-10001] [2023-11-23 20:37:32,174 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/blocklayout/extents.c"), "i" (907), "i" (12UL)); [15609-15610] [2023-11-23 20:37:32,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [16016-16017] [2023-11-23 20:37:32,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [16023-16024] [2023-11-23 20:37:32,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [16030-16031] [2023-11-23 20:37:32,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___10->state): : "memory", "cc"); [16037-16038] [2023-11-23 20:37:32,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16539] [2023-11-23 20:37:32,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16542] [2023-11-23 20:37:32,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (val)); [16544] [2023-11-23 20:37:32,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16549] [2023-11-23 20:37:32,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16552] [2023-11-23 20:37:32,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16554] [2023-11-23 20:37:32,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16559] [2023-11-23 20:37:32,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16562] [2023-11-23 20:37:32,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (val)); [16564] [2023-11-23 20:37:32,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16569] [2023-11-23 20:37:32,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16572] [2023-11-23 20:37:32,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (val)); [16574] [2023-11-23 20:37:32,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%P0": "+m" (__preempt_count)); [16612] [2023-11-23 20:37:32,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%P0": "+m" (__preempt_count)); [16615] [2023-11-23 20:37:32,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%P0": "+m" (__preempt_count): "qi" (- val)); [16617] [2023-11-23 20:37:32,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%P0": "+m" (__preempt_count)); [16622] [2023-11-23 20:37:32,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%P0": "+m" (__preempt_count)); [16625] [2023-11-23 20:37:32,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16627] [2023-11-23 20:37:32,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%P0": "+m" (__preempt_count)); [16632] [2023-11-23 20:37:32,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%P0": "+m" (__preempt_count)); [16635] [2023-11-23 20:37:32,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%P0": "+m" (__preempt_count): "ri" (- val)); [16637] [2023-11-23 20:37:32,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%P0": "+m" (__preempt_count)); [16642] [2023-11-23 20:37:32,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%P0": "+m" (__preempt_count)); [16645] [2023-11-23 20:37:32,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%P0": "+m" (__preempt_count): "re" (- val)); [16647] [2023-11-23 20:37:32,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16665] [2023-11-23 20:37:32,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [16674] [2023-11-23 20:37:32,223 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16785-16786] [2023-11-23 20:37:32,224 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 *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [16795-16796] [2023-11-23 20:37:32,226 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 *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [16809-16810] [2023-11-23 20:37:32,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [16907-16908] [2023-11-23 20:37:32,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [16914-16915] [2023-11-23 20:37:32,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [16921-16922] [2023-11-23 20:37:32,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [16928-16929] [2023-11-23 20:37:32,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2023-11-23 20:37:32,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2023-11-23 20:37:32,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2023-11-23 20:37:32,280 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_933bb667-ae70-48f2-8e2a-6a95e7aff490/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2023-11-23 20:37:32,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:32,581 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:32,581 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:32,582 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:32,582 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:37:32,590 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:32,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32 WrapperNode [2023-11-23 20:37:32,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:32,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:32,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:32,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:32,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:32,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,017 INFO L138 Inliner]: procedures = 584, calls = 2610, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7857 [2023-11-23 20:37:33,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:33,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:33,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:33,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:33,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:33,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:33,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:33,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:33,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (1/1) ... [2023-11-23 20:37:33,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:33,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:33,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933bb667-ae70-48f2-8e2a-6a95e7aff490/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2023-11-23 20:37:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2023-11-23 20:37:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 20:37:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-11-23 20:37:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-11-23 20:37:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:37:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:37:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2023-11-23 20:37:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2023-11-23 20:37:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2023-11-23 20:37:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2023-11-23 20:37:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-23 20:37:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-23 20:37:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 20:37:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 20:37:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2023-11-23 20:37:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2023-11-23 20:37:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:37:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:37:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2023-11-23 20:37:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2023-11-23 20:37:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:37:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:37:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2023-11-23 20:37:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2023-11-23 20:37:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2023-11-23 20:37:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2023-11-23 20:37:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2023-11-23 20:37:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2023-11-23 20:37:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2023-11-23 20:37:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2023-11-23 20:37:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2023-11-23 20:37:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2023-11-23 20:37:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 20:37:33,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 20:37:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2023-11-23 20:37:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2023-11-23 20:37:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:37:33,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:37:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 20:37:33,648 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2023-11-23 20:37:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2023-11-23 20:37:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2023-11-23 20:37:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2023-11-23 20:37:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-11-23 20:37:33,649 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-11-23 20:37:33,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:37:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:37:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2023-11-23 20:37:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2023-11-23 20:37:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-23 20:37:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:37:33,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:37:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2023-11-23 20:37:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2023-11-23 20:37:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:37:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2023-11-23 20:37:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2023-11-23 20:37:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2023-11-23 20:37:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2023-11-23 20:37:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 20:37:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 20:37:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 20:37:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 20:37:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2023-11-23 20:37:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2023-11-23 20:37:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 20:37:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 20:37:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 20:37:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 20:37:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:37:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 20:37:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 20:37:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2023-11-23 20:37:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2023-11-23 20:37:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2023-11-23 20:37:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2023-11-23 20:37:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:37:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:37:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2023-11-23 20:37:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2023-11-23 20:37:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:37:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:37:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:37:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2023-11-23 20:37:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2023-11-23 20:37:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 20:37:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 20:37:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:37:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2023-11-23 20:37:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2023-11-23 20:37:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2023-11-23 20:37:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2023-11-23 20:37:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:37:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:37:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2023-11-23 20:37:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2023-11-23 20:37:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2023-11-23 20:37:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2023-11-23 20:37:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-23 20:37:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-23 20:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-23 20:37:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2023-11-23 20:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2023-11-23 20:37:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2023-11-23 20:37:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 20:37:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 20:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2023-11-23 20:37:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2023-11-23 20:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-23 20:37:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-23 20:37:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2023-11-23 20:37:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2023-11-23 20:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2023-11-23 20:37:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2023-11-23 20:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:37:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:37:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:37:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:37:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:37:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:37:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 20:37:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 20:37:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 20:37:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 20:37:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2023-11-23 20:37:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2023-11-23 20:37:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:37:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:37:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:37:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2023-11-23 20:37:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2023-11-23 20:37:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 20:37:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2023-11-23 20:37:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2023-11-23 20:37:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:37:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:37:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2023-11-23 20:37:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2023-11-23 20:37:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2023-11-23 20:37:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2023-11-23 20:37:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2023-11-23 20:37:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2023-11-23 20:37:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 20:37:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 20:37:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2023-11-23 20:37:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2023-11-23 20:37:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 20:37:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 20:37:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:37:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:37:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2023-11-23 20:37:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2023-11-23 20:37:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2023-11-23 20:37:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2023-11-23 20:37:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2023-11-23 20:37:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2023-11-23 20:37:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2023-11-23 20:37:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2023-11-23 20:37:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2023-11-23 20:37:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2023-11-23 20:37:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 20:37:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 20:37:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2023-11-23 20:37:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2023-11-23 20:37:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 20:37:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 20:37:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 20:37:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 20:37:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2023-11-23 20:37:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2023-11-23 20:37:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-23 20:37:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-23 20:37:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-23 20:37:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-23 20:37:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2023-11-23 20:37:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2023-11-23 20:37:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:37:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:37:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:37:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:37:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2023-11-23 20:37:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2023-11-23 20:37:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2023-11-23 20:37:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2023-11-23 20:37:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:37:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:37:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 20:37:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 20:37:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2023-11-23 20:37:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2023-11-23 20:37:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2023-11-23 20:37:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2023-11-23 20:37:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-11-23 20:37:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-11-23 20:37:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2023-11-23 20:37:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2023-11-23 20:37:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2023-11-23 20:37:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2023-11-23 20:37:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 20:37:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 20:37:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2023-11-23 20:37:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2023-11-23 20:37:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:37:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:37:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2023-11-23 20:37:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2023-11-23 20:37:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 20:37:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 20:37:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2023-11-23 20:37:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2023-11-23 20:37:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 20:37:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 20:37:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:37:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 20:37:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 20:37:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2023-11-23 20:37:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2023-11-23 20:37:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-23 20:37:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-23 20:37:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:37:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-11-23 20:37:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-11-23 20:37:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-11-23 20:37:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-11-23 20:37:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2023-11-23 20:37:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2023-11-23 20:37:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2023-11-23 20:37:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2023-11-23 20:37:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2023-11-23 20:37:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2023-11-23 20:37:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2023-11-23 20:37:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2023-11-23 20:37:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:37:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2023-11-23 20:37:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2023-11-23 20:37:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:37:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:37:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2023-11-23 20:37:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2023-11-23 20:37:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2023-11-23 20:37:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2023-11-23 20:37:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 20:37:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 20:37:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2023-11-23 20:37:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2023-11-23 20:37:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-23 20:37:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2023-11-23 20:37:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-23 20:37:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-23 20:37:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2023-11-23 20:37:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2023-11-23 20:37:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:37:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:37:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 20:37:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 20:37:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 20:37:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 20:37:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2023-11-23 20:37:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2023-11-23 20:37:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 20:37:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 20:37:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2023-11-23 20:37:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2023-11-23 20:37:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2023-11-23 20:37:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2023-11-23 20:37:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2023-11-23 20:37:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2023-11-23 20:37:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2023-11-23 20:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2023-11-23 20:37:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2023-11-23 20:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2023-11-23 20:37:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2023-11-23 20:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2023-11-23 20:37:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2023-11-23 20:37:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2023-11-23 20:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2023-11-23 20:37:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2023-11-23 20:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:37:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-23 20:37:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-23 20:37:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2023-11-23 20:37:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2023-11-23 20:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-23 20:37:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-23 20:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2023-11-23 20:37:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2023-11-23 20:37:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2023-11-23 20:37:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2023-11-23 20:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 20:37:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 20:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-23 20:37:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-23 20:37:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2023-11-23 20:37:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2023-11-23 20:37:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:37:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:37:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2023-11-23 20:37:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2023-11-23 20:37:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-23 20:37:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2023-11-23 20:37:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2023-11-23 20:37:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2023-11-23 20:37:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2023-11-23 20:37:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2023-11-23 20:37:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-23 20:37:33,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-23 20:37:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-23 20:37:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2023-11-23 20:37:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2023-11-23 20:37:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2023-11-23 20:37:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2023-11-23 20:37:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2023-11-23 20:37:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2023-11-23 20:37:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2023-11-23 20:37:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-23 20:37:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-23 20:37:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2023-11-23 20:37:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2023-11-23 20:37:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2023-11-23 20:37:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2023-11-23 20:37:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-23 20:37:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-23 20:37:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-23 20:37:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-23 20:37:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2023-11-23 20:37:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2023-11-23 20:37:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2023-11-23 20:37:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2023-11-23 20:37:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 20:37:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 20:37:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2023-11-23 20:37:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2023-11-23 20:37:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 20:37:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 20:37:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2023-11-23 20:37:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2023-11-23 20:37:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:37:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:37:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2023-11-23 20:37:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2023-11-23 20:37:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 20:37:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 20:37:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2023-11-23 20:37:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2023-11-23 20:37:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2023-11-23 20:37:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2023-11-23 20:37:33,694 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2023-11-23 20:37:33,694 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2023-11-23 20:37:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 20:37:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 20:37:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-11-23 20:37:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-11-23 20:37:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-23 20:37:33,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-23 20:37:33,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:37:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:37:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:37:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2023-11-23 20:37:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2023-11-23 20:37:33,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2023-11-23 20:37:33,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2023-11-23 20:37:34,763 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:34,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:34,956 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:37:43,426 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:37:43,833 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:47,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:47,946 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 20:37:47,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:47 BoogieIcfgContainer [2023-11-23 20:37:47,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:47,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:47,956 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:47,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:47,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:26" (1/3) ... [2023-11-23 20:37:47,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605e9b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:47, skipping insertion in model container [2023-11-23 20:37:47,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:32" (2/3) ... [2023-11-23 20:37:47,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605e9b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:47, skipping insertion in model container [2023-11-23 20:37:47,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:47" (3/3) ... [2023-11-23 20:37:47,965 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2023-11-23 20:37:47,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:47,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:37:48,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:48,139 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=FINITE_AUTOMATA, 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;@364b9e13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:48,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:37:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) [2023-11-23 20:37:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2023-11-23 20:37:48,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:48,194 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:48,195 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:37:48,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:48,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1295273440, now seen corresponding path program 1 times [2023-11-23 20:37:48,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:48,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576623771] [2023-11-23 20:37:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-23 20:37:49,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:49,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576623771] [2023-11-23 20:37:49,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576623771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:49,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:49,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:37:49,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170169779] [2023-11-23 20:37:49,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:49,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:49,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:49,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:49,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:49,799 INFO L87 Difference]: Start difference. First operand has 2799 states, 1662 states have (on average 1.299037304452467) internal successors, (2159), 1711 states have internal predecessors, (2159), 963 states have call successors, (963), 174 states have call predecessors, (963), 173 states have return successors, (956), 941 states have call predecessors, (956), 956 states have call successors, (956) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-23 20:37:54,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:54,330 INFO L93 Difference]: Finished difference Result 8115 states and 12102 transitions. [2023-11-23 20:37:54,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:54,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 365 [2023-11-23 20:37:54,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:54,421 INFO L225 Difference]: With dead ends: 8115 [2023-11-23 20:37:54,421 INFO L226 Difference]: Without dead ends: 5374 [2023-11-23 20:37:54,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:54,463 INFO L413 NwaCegarLoop]: 3587 mSDtfsCounter, 3811 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 7103 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:54,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 7103 Invalid, 957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-23 20:37:54,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2023-11-23 20:37:55,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5370. [2023-11-23 20:37:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 3212 states have (on average 1.293897882938979) internal successors, (4156), 3313 states have internal predecessors, (4156), 1814 states have call successors, (1814), 342 states have call predecessors, (1814), 341 states have return successors, (1810), 1780 states have call predecessors, (1810), 1810 states have call successors, (1810) [2023-11-23 20:37:55,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 7780 transitions. [2023-11-23 20:37:55,208 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 7780 transitions. Word has length 365 [2023-11-23 20:37:55,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:55,214 INFO L495 AbstractCegarLoop]: Abstraction has 5370 states and 7780 transitions. [2023-11-23 20:37:55,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2023-11-23 20:37:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 7780 transitions. [2023-11-23 20:37:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2023-11-23 20:37:55,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:55,231 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:55,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:37:55,232 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:37:55,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1522031513, now seen corresponding path program 1 times [2023-11-23 20:37:55,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:55,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788231709] [2023-11-23 20:37:55,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:55,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-23 20:37:55,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:37:55,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788231709] [2023-11-23 20:37:55,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788231709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:55,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:55,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:37:55,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232529420] [2023-11-23 20:37:55,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:55,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:55,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:37:55,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:55,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:55,781 INFO L87 Difference]: Start difference. First operand 5370 states and 7780 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:37:59,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:00,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:00,006 INFO L93 Difference]: Finished difference Result 13245 states and 19159 transitions. [2023-11-23 20:38:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:38:00,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 380 [2023-11-23 20:38:00,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:00,086 INFO L225 Difference]: With dead ends: 13245 [2023-11-23 20:38:00,086 INFO L226 Difference]: Without dead ends: 7944 [2023-11-23 20:38:00,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:00,254 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3787 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 7101 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:00,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 7101 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 20:38:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7944 states. [2023-11-23 20:38:01,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7944 to 7911. [2023-11-23 20:38:01,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7911 states, 4727 states have (on average 1.2906706156124392) internal successors, (6101), 4879 states have internal predecessors, (6101), 2664 states have call successors, (2664), 518 states have call predecessors, (2664), 517 states have return successors, (2660), 2610 states have call predecessors, (2660), 2660 states have call successors, (2660) [2023-11-23 20:38:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7911 states to 7911 states and 11425 transitions. [2023-11-23 20:38:01,144 INFO L78 Accepts]: Start accepts. Automaton has 7911 states and 11425 transitions. Word has length 380 [2023-11-23 20:38:01,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:01,147 INFO L495 AbstractCegarLoop]: Abstraction has 7911 states and 11425 transitions. [2023-11-23 20:38:01,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:38:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7911 states and 11425 transitions. [2023-11-23 20:38:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2023-11-23 20:38:01,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:01,160 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:01,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:38:01,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:38:01,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash -494747737, now seen corresponding path program 1 times [2023-11-23 20:38:01,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:01,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331871217] [2023-11-23 20:38:01,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:01,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:38:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:38:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2023-11-23 20:38:01,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:38:01,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331871217] [2023-11-23 20:38:01,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331871217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:01,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:01,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:01,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987241283] [2023-11-23 20:38:01,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:01,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:38:01,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:38:01,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:38:01,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:01,630 INFO L87 Difference]: Start difference. First operand 7911 states and 11425 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:38:05,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:05,866 INFO L93 Difference]: Finished difference Result 16607 states and 23904 transitions. [2023-11-23 20:38:05,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:38:05,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 379 [2023-11-23 20:38:05,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:05,945 INFO L225 Difference]: With dead ends: 16607 [2023-11-23 20:38:05,945 INFO L226 Difference]: Without dead ends: 8765 [2023-11-23 20:38:05,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:38:05,988 INFO L413 NwaCegarLoop]: 4348 mSDtfsCounter, 3807 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 7877 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:05,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 7877 Invalid, 1086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-23 20:38:06,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8765 states. [2023-11-23 20:38:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8765 to 8732. [2023-11-23 20:38:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 5231 states have (on average 1.2896195756069586) internal successors, (6746), 5400 states have internal predecessors, (6746), 2889 states have call successors, (2889), 610 states have call predecessors, (2889), 609 states have return successors, (2885), 2826 states have call predecessors, (2885), 2885 states have call successors, (2885) [2023-11-23 20:38:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 12520 transitions. [2023-11-23 20:38:06,580 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 12520 transitions. Word has length 379 [2023-11-23 20:38:06,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:06,581 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 12520 transitions. [2023-11-23 20:38:06,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 20:38:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 12520 transitions. [2023-11-23 20:38:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2023-11-23 20:38:06,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:06,593 INFO L195 NwaCegarLoop]: trace histogram [37, 34, 34, 34, 34, 34, 34, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:06,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:38:06,593 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 20:38:06,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:06,595 INFO L85 PathProgramCache]: Analyzing trace with hash -2107281160, now seen corresponding path program 1 times [2023-11-23 20:38:06,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:38:06,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215039497] [2023-11-23 20:38:06,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:06,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms